Q: In males, meiosis is called spermatogenesis and it happens in the ___________ and makes…
A: Reproduction is the phenomenon of the production of new individuals from their parents. It involves…
Q: In mammals, the male gonad is called the______ . It produces both sperm and the sex hormone________…
A: Testes, the male gonads develop high in the abdominal cavity during the last two months or after…
Q: The diploid cells that undergo meiosis are known as [ Select ] The final daughter cells after the…
A: The diploid cells that undergo meiosis are known as meiocytes. The final daughter cells after the…
Q: Spermatogenesis and Oogenesis result in the production of 4 equally sized meiotic products. Group of…
A: Spermatogenesis and oogenesis are the type of meiotic divisions. It consists of two division the…
Q: The sex of an offspring is always determined by the(mother, father).
A: The male or father is the one who determines the sex of an offspring .
Q: Polar bodies are formed during spermatogenesis but not oneness True False
A: Gametogenesis is a process by which gametes are produced through meiotic division. Sperm and egg…
Q: Women with_________ syndrome have a single X chromosome. They typically ________(do/do not) undergo…
A: Genetic diseases are the diseases that are caused by defects in the gene that occur during mutation…
Q: A zygote is made from the fusion of haploid gametes (egg and sperm) O True O False
A: Developmental biology is the branch of biology that deals with the development of embryo.
Q: The secondary oocyte leaving the follicle is in (a) interphase. (b) metaphase of the first meiotic…
A: Meiosis CD (Cell Division) is categorized into two stages. In meiosis, I, a reductional CD occurs…
Q: A secondary spermatocyte has 12 chromosomes. How many chromosomes will be found in the primary…
A: Primary spermatocyte contains diploid number of chromosomes. It is a daughter of spermatogonium. The…
Q: True or False: A gamete must contain a complete set of chromosomes. True O False
A: Ans: Gamete: The sex cells of the human is referred to as gametes. in humans the ova or egg is…
Q: Four spermatozoa arise from each:- a. primordial germ cell. b. type A spermatogonium. c. type B…
A: The origin and development of sperm cells within the testes is called spermatogenesis.
Q: Primary spermatocytes are diploid in number like spermatogonia while spermatocytes are haploid in…
A: The seminiferous tubules are a structure in which spermatocytes are established in the testis.…
Q: Although 2 cells called gametes fuse, the product formed is a single cell called zygote. Justify.
A: Humans are unisexual organisms and perform sexual reproduction only. Their reproductive units are…
Q: The penis and the clitoris both develop from the embryonic genital tubercle. This is possible due to…
A: Genital tubercle, also called as the phallic tubercle, is a tissue/prime structure, that is found in…
Q: During oogenesis, meiosis results in:A) four equally sized cells that stop dividing in meiosis 1B) 2…
A: The product of oogenesis is to be determined.
Q: The male gonads, or ___________ produce sperm in highly coiled tubes called _ _____. The female…
A: Humans are sexually reproducing and viviparous. The reproductive events in humans include formation…
Q: Mitosis and meiosis are both important processes of cell division in the life cycle of a sexual…
A:
Q: In the process of spermatogenesis, each cell undergoes meiosis II, resulting in the production of…
A: Spermatogenesis is the process of production of haploid spermatozoa from germ line cells. This…
Q: external 1. genitalia Male Reproductive System consists of contain coiled secrete consists of 8.…
A: The reproductive system (or genital system) is involved in sexual reproduction. The male and female…
Q: Leydig cells ________.a. secrete testosteroneb. activate the sperm flagellumc. support…
A: Leydig cells can also be called as interstitial cells. They are group of polyhedral cells which are…
Q: The chromosomal abnormality that causes a man to have asexual to feminine body contours with large…
A: Chromosomal abnormalities are the type of genetic disorders caused due to the change in one or many…
Q: After ovulation, the secondary oocyte enters the oviduct. Passing by the fimbriae it enters the __
A: The secondary oocyte is released from the mature Graafian follicle of the ovary during ovulation…
Q: n each cell to proper phase of meiosis.
A: Meiosis:- Is a type of cell division that reduces the number of chromosomes in the parent cell by…
Q: Sperm cells originally come from a diploid cell called a…
A: Reproduction (or multiplication or rearing) is the natural interaction by which new individual…
Q: In a femal human, the oogonium forms when the female is a _______________. This happens…
A: Ovaries are female reproductive structures that produce gametes and secrete sex hormones oogenesis…
Q: What is the probability of getting an X-bearing sperm? A Y-bearing sperm? How many kinds of ova as…
A: Sex determination of offspring is based on the determination of gamete produced by heterozygous…
Q: The spermatogonial cell has 46 chromosomes in human male. Give the number of chromosomes in: (a)…
A: The deoxyribonucleic acid (DNA) molecules is packaged into thread-like structures in the nucleus of…
Q: Of sperm. dllu su In males, the outside of the body. is a structure located inside the penis that…
A: Reproduction is the biological process by which new individuals organisms are produced from their…
Q: Oogenesis results in an oocyte and polar bodies. O True False
A: Gametogenesis is the formation of gametes from haploid precursor cells. Two types are oogenesis and…
Q: Fill in the blank: ______________________ is the process by which a secondary oocyte is released…
A: The female reproductive system consists of ovaries, uterus, uterine tubes, vagina, and accessory…
Q: Then the makes that keeps the endometrium in the uterus. A. pituitary gland; HCG B. ovary; estrogen…
A: Hormones are the chemical molecules which acts as a chemical messenger for different body tissues…
Q: Haploid gametes produced in males are called sperm. O True False
A: Meiosis is the type of cell division in which gamete are formed .
Q: If nondisjunction of the sex chromosomes takes place in meiosis I in the male in Figure , what…
A: Meiosis is a type of cell division in which a diploid cell undergoes reductional division to form…
Q: In humans, the oocyte (egg) completes meiosis right before it is released from the ovar O True False
A: Oocyte It is the cell present in the ovary which has the capability of undergoing meiotic division…
Q: gametogenesis, a primary spermatocyte generates sperm, a primary oocyte generates eggls). 14 41 D4,4…
A: Introduction:- Gametogenesis:- Gametogenesis is the process of division of diploid cells to…
Q: Most sexual organisms are either male or female though some are hermaphroditic. In human beings and…
A: Drosophila melanogaster is a fly species that belong to order Diptera. This is also known as fruit…
Q: Draw a flowchart of course of sperms in male.
A: Sperm is the male reproductive cell and is produced in the process of spermatogenesis in males.…
Q: The fertilized egg enters a 2-week period of cell division. During this period, the fertilized egg…
A: Reproduction is the process by which an organism creates more of its own progeny. Reproduction is…
Q: Which of the following signals the end of the reproductive period in females? menopause O…
A: Menopause
Q: What is the disorder that causes an individual who has inherited the XY chromosomes to appear female…
A: Human males contain two heteromorphic sex chromosomes i.e., XY, and females contain homomorphic sex…
Q: When cows have twin calves of unlike sex (fraternal twins), the female twin is usually sterile and…
A: Freemartin refers to a female twin born with a male and who is sterile with masculanized characters.…
Q: What are the 2 processes in Meiosis | that lead to genetic variation in gametes? Give the phase name…
A: Genetic material is nothing but the sequence of nucleic acids which is called as DNA. It contains…
Q: The process of meiosis results in: the production of egg. sperm or pollen all of these choices are…
A: Cell division is a process of a parent cell replicating it chromosomal content and dividing itself…
Q: Germ cells are your "sex cells." True or False
A: A germ cell is any natural cell that brings about the gametes of a living being that duplicates…
Q: Meiosis Il is similar to mitosis in that chromosomes number is reduced. True O False
A: Meiosis(Reduction division) It occurs in eukaryotic life cycle Involving sexual reproduction. It…
Q: True or False: The cell divisions following Meiosis I and Meiosis II both involve a reduction in the…
A: Question- True or False: The cell divisions following Meiosis I and Meiosis II both involve a…
Q: Compare and contrast gamete formation in males and females
A: Gonads can be defined as the reproductive organs which produce the gametes that participate in…
Q: Sperm cells are male gametes that are produced through meiosis. What is the significance of meiosis…
A: Meiosis is called reductional division while mitosis is called equational division. Mitosis cell…
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- 5. Homologous chromosomes move towards opposite poles of a dividing cell during... a. mitosis b. meiosis I c. meiosis II d. fertilization e. binary fission 6. Meiosis II is similar to mitosis in that... a. homologous chromosomes synapse b. DNA replicates before the division c. the daughter cells are diploid d. sister chromatids separate during anaphase e. the chromosome number is reduced 7. Metaphase of meiosis I and meiosis II differ in that... a. chromosomes line up at the equator b. homologues line up in meiosis I and duplicated chromosomes line up in meiosis II c. sister chromatids line up in meiosis I and chromosomes line up in meiosis II d. there are the same number of chromosomes 8. Asexually reproducing organisms produce offspring that are genetically identical to each other and to the parents. What type of cell division are the offspring a product of? a. mitosis b. meiosis c. binary fission d. fertilization 9. At which stage of meiosis do chromatids separate and become…1. How many chromosomes are found in the following Mitosis phase: a. prophase b. metaphase c. anaphase 2. How many chromosomes are found in the following phases of Meiosis: a. prophase I b. anaphase I c. end of telophase I d. metaphase II e. telophase II/cytokinesis B. Brief Answer. 1. Name two events during meiosis that contribute to genetic variability among gametes.CRITERIA MITOSIS MEIOSIS a. chrosomosomes number of daughter cells b. number of cell divisions c. stages d. Presence of synapses e. presence of crossing over f. cell type that undergoes cell division g. number of daughter cells formed h. DNA content of cells at start of division i. DNA content of daughter cells j. genetic consequences
- 1. Define homologous chromosome. 2. Define sister chromatids. 3. Identify whether each process below occurs during mitosis, meiosis, or both. a. Sister chromatids separate b. Haploid cells are formed c. Cell division occurs once d. Homologous chromosomes pair e. 4 haploid cells are the final result f. Crossing over occurs g. Replicated chromosomes line up in the middle of the cell h. 2 diploid cells are the final result5. Analyze the following statements and identify which statement is correct. a. Mitosis is responsible for the formation of gametes b. Meiosis is responsible for the formation of somatic and Mitosis is responsible for the formation of gametes cells c. Meiosis is responsible for the formation of gametes and somatic cells d. Meiosis is responsible for the formation of gametes and Mitosis is responsible for the formation of somatic cellsD. ATapriasC T C. Prophase II D. Anaphase II 2. The gametes in the image below could have formed from which parent? O A. Male B. Female OC. Male or female D. Neither male nor female 3. Which healthy gamete could not result from the parent cell shown?
- Prophase Metaphase Anaphase TelophaseHomologaus Chromasomes A= В. B = XX C = с. D = Centromere A. Sister Chromatids D. 7. Label the following terms/descriptions as either "Sister Chromatids", "Homologous Chromosomes," or "Both." (1 point each; 9 points total) a. Have identical DNA sequences b. Separate during meiosis c. Separate during mitosis d. Separate during meiosis I e. Separate during meiosis II f. One comes from the mother and the other from the father g. Are held together by cohesion h. Can undergo crossing over i. Are separated by the spindle. 1 During which phase of the meiotic cell cycle does DNA replication occur? a. interphase b. prophase c. metaphase d. anaphase e. telophase 2. When does crossover take place in meiosis? a. interphase b. prophase c. metaphase d. anaphase e. telophase 3. During which phase of meiosis does the nuclear membrane reform around chromosomes? a. interphase b. prophase I c. metaphase II d. anaphase I e. telophase II 4. A human cell containing 22 autosomes and a Y chromosome is... a. a somatic cell of a male b. a zygote c. a somatic cell of a female d. a sperm cell e. an ovum 5. Homologous chromosomes move towards opposite poles of a dividing cell during... a. mitosis b. meiosis I c. meiosis II d. fertilization e. binary fission 6. Meiosis II is similar to mitosis in that... a. homologous chromosomes synapse b. DNA replicates before the division c. the daughter cells are diploid d. sister chromatids separate during anaphase e. the chromosome number is reduced 7. Metaphase of meiosis I and…
- The amount of DNA in a diploid organism somatic cell prior to DNA replication is the same as the amount of DNA in one of its: a. germ cells at metaphase of meiosis I b. germ cells at prophase of meiosis I c. germ cells that have completed meiosis I, but have not yet started meiosis II d. germ cells that have completed meiosis II (mature gametes)A cell has 8 chromosomes in metaphase II of meiosis. How many chromosomes and DNA molecules will be present per cell in this same organism at the following stages? a. Prophase of mitosis b. Metaphase I of meiosis c. Anaphase of mitosis d. Anaphase II of meiosis e. Anaphase I of meiosis f. After cytokinesis that follows mitosis g. After cytokinesis that follows meiosis IIWhich of the following is not associated with sperm production? a. daughter cells identical to the parent cell b. variety in resulting cells c. chromosome number halved in resulting cells d. four daughter cells arising from one parent cell e. 23 chromosomes in the human sperm