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Which among the following statement is correct to indicate the difference between sperm and egg

Click hereto get an answer to your question ️ Which among the following statements is correct to indicate the difference between sperm and egg. Join / Login. biology. Which among the following statements is correct to indicate the difference between sperm and egg. A. Cytoplasm in sperm is more abundant than in egg. B COMEDK 2011: Which among the following statements is correct to indicate the difference between sperm and egg (A) Cytoplasm in sperm is more abundan Which of the following is correct about sperm cells? Among members of kingdom Animalia, external fertilization is commonly observed in. aquatic animals. Fertilization in humans occurs in which of the following structures? A major difference between eggs and sperm is that

Which among the following statements is correct to

progesterone and estradiol. swept into the fallopian tube. the ovarian endometrium that is shed at the time of the menses. the corpus luteum, which secretes the steroid hormones progesterone and estradiol. The primary function of the corpus luteum is to _____. stimulate the development of the mammary glands For the figure shown here, indicate the correct stage of meiosis and the diploid number of the cell. prophase II, 2n=4 A human egg with 22 chromosomes that is fertilized by a normal sperm will result i Indicate if the following statement of cell division applies to mitosis or meiosis: Prophase has synapsis. makes egg & sperm cells. Lamarck's ideas about evolution include the concept that difference among the traits of organisms arise as a result of a) continual increases in population size.

Which among the following statements is correct to indicat

16) The difference between geographic isolation and habitat differentiation is the A) relative locations of two populations as speciation occurs. B) speed (tempo) at which two populations undergo speciation. C) amount of genetic variation that occurs among two gene pools as speciation occurs ! 1! Biology 1 End-of-Course Assessment Practice Test For Multiple Choice Items, circle the correct response.! (1.02MC)!SC.912.N.1.1. A. They nurse the egg as it leaves the follicle. B. This is extra chromosomal material representing the X chromosome in each female cell. C. They orient the sperm toward the egg. D. They allow a reduction in chromosomes while preserving most of the cytoplasm for one egg. E. They orient the egg for penetration by the sperm

Chapter 22 Reading Quiz Flashcards Quizle

Interspersed between the ciliated cells are peg cells, which contain apical granules and produce the tubular fluid. This fluid contains nutrients for spermatozoa, oocytes, and zygotes. The secretions also promote capacitation of the sperm by removing glycoproteins and other molecules from the plasma membrane of the sperm Key Points. Gametogenesis, the production of sperm (spermatogenesis) and eggs (oogenesis), takes place through the process of meiosis. In oogenesis, diploid oogonium go through mitosis until one develops into a primary oocyte, which will begin the first meiotic division, but then arrest; it will finish this division as it develops in the follicle, giving rise to a haploid secondary oocyte and. Random Fertilization: any sperm with its many possible chromosome combination due to independent assortment, can fuse with any egg with its many possible chromosome combination due to independent assortment. 2nx2n possibilities . The diploid number for fruit flies is 8, while that for grasshoppers is 46 A sperm count is part of a larger test called semen analysis. A doctor may test a person's sperm count if they have fertility concerns. Learn about average, low, and high sperm counts here

Bio Final- Chapter 47 Flashcards - Quizle

  1. It is a two-step process that reduces the chromosome number by half—from 46 to 23—to form sperm and egg cells. When the sperm and egg cells unite at conception, each contributes 23 chromosomes so the resulting embryo will have the usual 46. Meiosis also allows genetic variation through a process of gene shuffling while the cells are dividing
  2. Reproduction Questions and Answers. Get help with your Reproduction homework. Access the answers to hundreds of Reproduction questions that are explained in a way that's easy for you to understand
  3. Klinefelter syndrome (KS), also known as 47,XXY is a syndrome where a male has an additional copy of the X chromosome. The primary features are infertility and small, poorly functioning testicles. Often, symptoms are subtle and subjects do not realize they are affected. Sometimes, symptoms are more evident and may include weaker muscles, greater height, poor motor coordination, less body hair.
  4. The law of segregation states that the two alleles of a single trait will separate randomly, meaning that there is a 50% either allele will end up in either gamete. This has to do with 1 gene. The law of independent assortment states that the allele of one gene separates independently of an allele of another gene
  5. Hormonal regulation of the male reproductive system: GnRH stimulates the production of FSH and LH, which act on the testes to begin spermatogenesis and to develop secondary sex characteristics in the male. In turn, the testes production of testosterone and the hormone inhibin inhibit the release of GnRH, FSH, and LH in a negative feedback loop

Chapter 9 Questions Flashcards Quizle

The results did not indicate a difference of effect between the interventions, except for OHSS. Subgroup analysis of progesterone versus progesterone + hCG showed a significant benefit from progesterone (Peto OR 0.45, 95 % CI: 0.26 to 0.79) The ciliates, which include Paramecium and Tetrahymena, are a group of protists 10 to 3,000 micrometers in length that are covered in rows, tufts, or spirals of tiny cilia. By beating their cilia synchronously or in waves, ciliates can coordinate directed movements and ingest food particles Explain the difference between art and useful objects. Then, discuss. how craft media can be an artform by referencing any of the clay, glass, metal, wood, or textile objects from chapter 13 Improve Grammar, Word Choice, and Sentence Structure In Your Papers Instantly. Ideal For Professional and Personal Writing. Try It Now For Free

Following ovulation, the egg is capable of fertilization for only 12 to 24 hours. Contact between the egg and sperm is random. Once the egg arrives at a specific portion of the tube, called the ampullar-isthmic junction, it rests for another 30 hours. Fertilization — sperm union with the egg — occurs in this portion of the tube Sperm cells and egg cells contain 23 single chromosomes, half the normal number, and are made by a special form of cell division called meiosis. Meiosis separates the pairs of matching (or 'homologous') chromosomes, so that sperm cells and egg cells have only one copy of each In humans, the gametes are called the sperm (in the male) and the egg (in the female). These are formed by the process of meiosis, which can turn a diploid cell into four haploid gametes. While a human male can continue to make new gametes throughout his life starting at puberty, the human female has a limited number of gametes she can make. 60 seconds. Q. Base your answers to the question on the diagram and on your knowledge of science. The diagram shows a cell with some basic cell structures labeled. Which two structures labeled in the diagram, other than the large vacuole, that indicate this cell is a plant cell. answer choices

BFHS Bio 9 Exam 2 Flashcards Quizle

Overview. The testes are where sperm are manufactured in the scrotum. The epididymis is a tortuously coiled structure topping the testis, and it receives immature sperm from the testis and stores it for several days. When ejaculation occurs, sperm is forcefully expelled from the tail of the epididymis into the deferent duct Mitosis Helps with Cell Turnover and Growth. While meiosis is the engine driving genetic diversity in eukaryotic reproduction, mitosis is the force that allows everyday, moment-to-moment survival and growth. The human body contains trillions of somatic cells (that is, cells outside the gonads that cannot undergo meiosis) that must be able to. Genetic variation, the genetic difference between individuals, is what contributes to a species' adaptation to its environment. In humans, genetic variation begins with an egg, several million sperm, and fertilization. The egg and the sperm each contain 23 chromosomes, which make up our genes

life121 chapter 22 Flashcards Quizle

The process of prenatal development occurs in three main stages. The first two weeks after conception are known as the germinal stage, the third through the eighth week is known as the embryonic period, and the time from the ninth week until birth is known as the fetal period Female reproductive anatomy includes both external and internal structures. Among the external structures are the vulva, which consists of the mons pubis, clitoris, labia majora, labia minora, and the vestibular glands. The vulva is an area associated with the vestibule that includes the structures found in the inguinal (groin) area of women

The negative effect of six days storage in the second week was even more pronounced when the sperm:egg ratio was reduced from 4 to 2 × 10 6 sperm per egg, while there was no significant difference in fertilization between the two different sperm:egg ratios for milt collected in week 1. The fact that sperm concentration but not the milt volume. DNA (deoxyribonucleic acid) is the cell's genetic material, contained in chromosomes within the cell nucleus and mitochondria. Except for certain cells (for example, sperm and egg cells and red blood cells), the cell nucleus contains 23 pairs of chromosomes. A chromosome contains many genes. A gene is a segment of DNA that provides the code. Cell Division Questions and Answers. Get help with your Cell division homework. Access the answers to hundreds of Cell division questions that are explained in a way that's easy for you to understand Ovulation is a physiologic process defined by the rupture and release of the dominant follicle from the ovary into the fallopian tube where it has the potential to become fertilized. The ovulation process is regulated by fluxing gonadotropic hormone (FSH/LH) levels. Ovulation is the third phase within the larger Uterine Cycle (i.e. Menstrual Cycle). The follicular release follows the. Indicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true. Which of the following shows the correct sequence of the cell cycle? a. cytokinesis ® mitosis ® G1 ® S ® G2: b. The difference between anaphase of mitosis and anaphase I of meiosis is that. a

Semen, also known as seminal fluid, is an organic fluid created to contain spermatozoa.It is secreted by the gonads (sexual glands) and other sexual organs of male or hermaphroditic animals and can fertilize the female ovum.In humans, seminal fluid contains several components besides spermatozoa: proteolytic and other enzymes as well as fructose are elements of seminal fluid which promote the. Double fertilization is a complex process where out of two sperm cells, one fuses with the egg cell and the other fuses with two polar nuclei which result in a diploid (2n) zygote and a triploid (3n) primary endosperm nucleus (PEN) respectively. Since endosperm is a product of the fusion of three haploid nuclei, it is called triple fusion The Mayo Clinic recommends taking the following steps to obtain a clean sample of urine: (3) Clean the urinary opening with a sterile wipe to remove bacteria. Men should wipe the tip of the penis Second, the straight-line velocity (VSL) was calculated using the distance between sperm position in the first and last frames. Regarding the velocity average path (VAP), hardly any difference was observed between VSL and VAP owing to the short analysis time. Therefore, the results related to VAP were omitted in this article

Mitosis is the Greek word for thread, after the thread-like chromosomes that can be seen under the microscope in dye-stained cells during cell division. Meiosis means a lessening in Greek. This refers to the outcome of meiosis, where the genetic information in each new cell is halved Diploid cells contain two complete sets (2n) of chromosomes. Haploid cells have half the number of chromosomes (n) as diploid - i.e. a haploid cell contains only one complete set of chromosomes. Cell Division and Growth. Diploid cells reproduce by mitosis making daughter cells that are exact replicas. Haploid cells are a result of the process.

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Cells in the eye Cells in the heart Gametes (sperm and egg) Cells in the eye and gametes All of the above. 10. Which of the following statements are true: A.) All eggs produced by the same woman are genetically identical to each other B.) All sperm produced by the same man are genetically identical to each other C.) Both A and B D. Ginkgos and cycads show a transitional stage between the primitive ferns and the more advanced conifers and flowering plants. They have flagellated sperm, but the male gametophyte grows a pollen tube, a long filament through which the sperm can safely swim to the egg. The pollen grains of other seed plants grow similar tubes If a Y-chromosome carrying sperm (cell 4) fertilizes the egg, then the result will be a zygote with an X and a Y chromosome (XY), which will develop into a male. 3. Learning About Sex Determination in some non-mammalian animals. Note that this X-Y chromosome method of sex determination is not universal among our animal cousins. Here are a. 4) (12) Fill in the blanks to make the following statements complete and correct. Plants are said to exhibit an alternation of generations in their life history with a multicellular state in both the haploid (1n, or 1 set of chromosomes per cell) and diploid (2n) stages

Male obesity has profound effects on morbidity and mortality, but relatively little is known about the impact of obesity on gametes and the potential for adverse effects of male obesity to be passed to the next generation. DNA methylation contributes to gene regulation and is erased and re-established during gametogenesis. Throughout post-pubertal spermatogenesis, there are continual needs to. SPACA1 is a membrane protein that localizes in the equatorial segment of spermatozoa in mammals and is reported to function in sperm-egg fusion. We produced a Spaca1 gene-disrupted mouse line and found that the male mice were infertile. The cause of this sterility was abnormal shaping of the sperm head reminiscent of globozoospermia in humans To begin with, scientifically something very radical occurs between the processes of gametogenesis and fertilization—the change from a simple part of one human being (i.e., a sperm) and a simple part of another human being (i.e., an oocyte—usually referred to as an ovum or egg), which simply possess human life, to a new, genetically. Difference Between IL-2 and IL-15. The key difference between IL-2 and IL-15 is that IL-2 is an interleukin in the immune system mainly produced by activated CD4 Th1 cells while IL-15 is an interleukin in the immune system mainly produced by activated dendritic cells and monocytes. Interleukins (ILs) are a group of cytokines unit 2 challenges and final Which of the following is an example of technology? a.) Knitting needles b.) A computer c.) An oven d.) All of the answer choices are correct. Which of the following is a symbol? a.) The United States b.) A stop sign c.) All of the answer choices are correct. d.) The word culture Which of the following best describes folkways? a.

Instead, researchers clearly distinguish between mate choice, hybrid incompatibility and other forms of reproductive isolation. It is probable that the term isolating mechanisms is becoming obsolete, and even today is confined mostly to undergraduate textbooks. J.L.B.M. (JLB Mallet) Mayr E. (1970) Populations, Species, and Evolution Artificial maturation and ovulation of Japanese eel do not always result in the production of good-quality eggs. The molecular basis for compromised egg quality in artificially matured Japanese eel remains unknown. In this study, we investigated the relationship between the localization of six maternal transcripts, grip2, dazl, sybu, trim36, pou5f3 and npm2, and egg quality in artificially. The present results indicate that while there was a relatively large support for sperm donation being allowed to single women in Sweden among health care professionals, many expressed concerns about the child's health, as well as low confidence in their knowledge about the specific needs in this patient group 40) The primary difference between estrous and menstrual cycles is that A) the endometrium shed by the uterus during the estrous cycle is reabsorbed, whereas the shed endometrium of menstrual cycles is excreted from the body. B) behavioral changes during estrous cycles are much less apparent than those of menstrual cycles

Chapter 01: 21st Century Maternity and Women's Health Nursing Lowdermilk: Maternity & Women's Health Care 11th Edition MULTIPLE CHOICE 1. In evaluating the level of a pregnant woman's risk of having a low-birth-weight LBW infant which factor is the most important for the nurse to consider? a. African-American race b. Cigarette smoking c. Poor nutritional status d postembryonic development of some organisms includes stages dramatically different from each other. The transformation that occurs from one stage to another is called metamorphosis. There is little resemblance, for example, among the egg, larval, pupal, and adult stages of metamorphic insects (Figure 1.8) Correct All Grammatical Mistakes and Enhance Your Writing. Try Now! Check for Grammatical Errors Instantly and Enhance Your Writing. Try Now for Free lifespan of the unfertilized egg. implantation of the fertilized egg. ability of the sperm to fertilize the egg. development of the egg within the ovary. Use the following information to answer the next question. Numerical Response. 03. Provide the correct sequence of these four events that occur during birth. (Record your four-digit answe

The Female Reproductive System Boundless Anatomy and

  1. Give the correct biological term for each of the following descriptions. Write only the term next to the question number (a to d) in below. a.) The type of fertilisation where egg and sperm fuse in the water in the environment b.) The part that holds the yolk in place in an amniotic egg c.) The type of reproduction where the young are born.
  2. Answer s: killing the sperm before they can get to the egg preventing ovulation creating a physical barrier between the sperm and the egg causing the uterus to expel an embryo Question 45 1 out of 1 points Mieko and James had unprotected sex for an entire year
  3. Q.5. In the following events, indicate the stages where mitosis and meiosis occur (1,2,3). Megaspore mother cell → (1)→Megaspores→ (2)→Embryo sacs→ (3)→Egg. A.5. 1- Meiosis 2- Mitosis 3- Meiosis. Q.6. Show the direction of the pollen tube from the pollen on the stigma in the embryo sac in the given diagram. A.6

43.3C: Gametogenesis (Spermatogenesis and Oogenesis ..

A cross is made between a female Drosophila heterozygous for the recessive alleles cn (cinnabar eye) and y (yellow body), also recessive, and a cinnabar male with normal body color. Among the female progeny the phenotypes were 1/2 wild type and 1/2 cinnabar The tube that transports the sperm from the testis to the urethra 1.2.7 1.3 All the genes in all the chromosomes of a particular species A hormone produced in females to stimulate milk production (7) Indicate whether each of the statements in COLUMN I applies to A only, B only, both A and B or none of the items in COLUMN II. Write A only Organisms grow and reproduce through cell division. In eukaryotic cells, the production of new cells occurs as a result of mitosis and meiosis.These two nuclear division processes are similar but distinct. Both processes involve the division of a diploid cell, or a cell containing two sets of chromosomes (one chromosome donated from each parent) Multiple Choice Questions: Question:1. A common characteristic feature of plant sieve tube cells and most of mammalian erythrocytes a) Absence of mitochondria b) Presence of cell wall c) Presence of haemoglobin d) Absence of nucleus. Answer: Ans. The answer is the option (d) Absence of nucleus Explanation: Sieve tubes are one of the components of phloem, and they do not contain a nucleus

Normal sperm count: A guide to semen analysi

  1. The key difference between meiosis I and meiosis II is that meiosis I is the first cell division of meiosis that produces two haploid cells from a diploid cell while meiosis II is the second cell division that completes the meiosis by producing four haploid cells.. Meiosis is a complex cellular and biochemical process that reduces the chromosome number into half during the formation of gametes.
  2. Medical Ethics Questions and Answers. Get help with your Medical ethics homework. Access the answers to hundreds of Medical ethics questions that are explained in a way that's easy for you to.
  3. Meiosis is a special type of nuclear division which segregates one copy of each homologous chromosome into each new gamete. Mitosis maintains the cell's original ploidy level (for example, one diploid 2n cell producing two diploid 2n cells; one haploid n cell producing two haploid n cells; etc.). Meiosis, on the other hand, reduces the number.
  4. statement best describes a difference between mitosis and meiosis? A. Meiosis is a multi-step process. B. Mitosis occurs only in eukaryotic cells. C. Meiosis is used in the repair of an organism. D. Mitosis produces genetically identical daughter cells
  5. C. During fertilization when sperm and egg chromosomes pair up D. When chiasmata are formed between non-sister chromatids Markscheme D 2. The statement is about the genetic control of cat coat colour. [1 mark] In a cross between two double heterozygous tabby cats, what would the expected proportion of black offspring be? A. 1 out of 16 B. 3 out.

How do cells divide?: MedlinePlus Genetic

The egg and sperm will fuse in order to create the first part of the diploid life stages. The zygote is a unicellular diploid structure that will divide in order to create the sporophyte The ovaries produce the egg cells, called the ova or oocytes. The oocytes are then transported to the fallopian tube where fertilization by a sperm may occur. The fertilized egg then moves to the uterus, where the uterine lining has thickened in response to the normal hormones of the reproductive cycle

The key difference between spermatogenesis and oogenesis is that spermatogenesis is the formation of sperms (male gametes) while oogenesis is the formation of eggs (female gametes).. Both spermatogenesis and oogenesis are commonly referred to as gametogenesis.. Gametogenesis is the series of mitotic and meiotic divisions occurring in the gonads, to form gametes High egg producing hens (HEPH) show increased hypothalamic and pituitary gene expression related to hypothalamo-pituitary-gonadal (HPG) axis stimulation as well as increased in vitro responsiveness to gonadotropin releasing hormone (GnRH) stimulation in the pituitary when compared to low egg producing hens (LEPH). Transcriptome analysis was performed on hypothalamus and pituitary samples from. Implantation is when the now-fertilized egg burrows into the uterine wall. It happens one or two days after the embryo gets to the uterus, which is typically about five to seven days after ovulation and fertilization. On average, implantation is nine days after ovulation and fertilization, with a range between six and twelve days An ear of corn contains many seeds (kernels), each formed by the fusion of an egg and a sperm. Each kernel is a juvenile individual. Some corn kernels are red (actually dark purple) and others are yellow. The color difference is due to a single gene that has two alleles: a dominant red allele and a recessive yellow allele. The red allele is. Higher sperm counts increase the odds of success; however, there was little difference between success with good-average counts and those with high counts. The overall success rate seems to be between 15-20 percent per cycle, judging from the articles which will be abstracted below An individual with more than the correct number of chromosome sets (two for diploid species) is called polyploid. For instance, fertilization of an abnormal diploid egg with a normal haploid sperm would yield a triploid zygote. Polyploid animals are extremely rare, with only a few examples among the flatworms, crustaceans, amphibians, fish, and.