24) The process of gametogenesis starts with a stem cell in the gonads and produces gametes used in sexual reproduction. For the process of spermatogenesis and oogenesis in mammals, complete the following table: Spermatogenesis Gamete type produced Location occurs Number of haploid cells produced Life-stage that the process begins Life-stage that the process ends Oogenesis

Q: Stages of Meiosis

A: Meiosis is the process of cell division by which a diploid cell divides to form haploid gametes. In…

Q: What are some of the key differences between mitosis and meiosis? Select all that apply. Reduction…

A: Introduction :  The events that take place during the cell cycle are arranged in a particular…

Q: why must sexually reproducing organisms use both processes of mitosis and meiosis, while asexually…

A: Mitosis is an equational cell division in which diploid parent cells give rise to two identical…

Q: If a human gamete with an extra chromosome participates in fertilization with a gamete with a normal…

A: A condition in which an extra copy of a chromosome is present in the cell nuclei, causing…

Q: Compare and contrast the products of meiosis in human females and males.  Include the frequency,…

A: Meiosis is the reductional division which is specially used at times of the gamete formation.…

Q: Parthenogenesis only occurs in Animals with separate sexes that produce egg and sperm, but how is it…

A: Parthenogenesis is the production of offspring without a result of fertilization event.

Q: The development of sex and gender is a good example of a developmental cascade because:   Group of…

A: Developmental Cascade:  Developmental cascades refer to collective influences on the development of…

Q: In C. elegans there are two sexes: hermaphrodite and male. Sex is determined by the ratio of X…

A: Loss-of-function tra-1 or tra-2 alleles cause male development in XX individuals, suggesting that…

Q: Why is a second polar body expelled after fertilisation?   a)   To remove excess cytoplasm   b)…

A: The second polar body is a small, non-functional cell that is produced during oogenesis after the…

Q: Question 2: Now complete the sketch for an XY human male cell undergoing spermatogenesis if a…

A: Keeping track of the sex chromosomes, this explanation will walk you through the process of…

Q: Where does meiosis occur in males? Why are each of these stages important in sexual reproduction?…

A: Meiosis is a type of cell division that results in the formation of four daughter cells that have…

Q: Concerning the sexchromosomes of the XYsystem which type of gametedo the male and the…

A: Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each…

Q: Mention the main difference between the offspring produced by asexual reproduction and progeny…

A: The process of the formation of new organisms from existing organisms is called reproduction. It is…

Q: Differentiate telophase I vs. telophase II

A: Meiosis type of cell division takes place in two phases: meiosis I and II. These phases are further…

Q: Which of the following is a true statement about gametes? * O have diploid number of chromosomes O…

A: The sperms are produced in the testes while the ova is produced in the ovaries. Form one…

Q: Compare and contrast the oogenesis and spermatogenesis in chicken and drosophila melanogaster

A: Spermatogenesis is the process of the formation of haploid stem cell known as spermatogonium. The…

Q: Why is parthenogenesis in bees considered to be a form of asexual reproduction? Select one: a. The…

A: The parthenogenesis word is derived from Greek word and it simply means virgin birth.  An…

Q: 1. Complete the table below for chromosome and chromatid number for a human cell: Mitosis Prophase…

A: Cell division is that the technique through that a parent cell divides into a pair of or additional…

Q: w might a human having the XX sex chromosomes can develop as a male?      Both of his X chromosomes…

A: Female is presented with XX chromosome and male is presented with XY chromosome. The X and Y…

Q: Task 3. During some diseases, one can observe the diminishing of the duration of the action…

A: Introduction  Cardiomyocytes are heart muscle cells that are responsible for contracting and…

Q: Asexual reproduction does exist with numerous unique adaptations, but it is normally sexual with…

A: Reproduction is the biological process where new individual organisms (offspring) – are produced…

Q: Indicate the stage of meiosis (e.g., metaphase 2 = M2; prophase 1 = P1; anaphase 2 = A2; etc.) in…

A: Cell division is a process of dividing and multiple the cells to form more cell. There are two types…

Q: Male and female pronuclei form Secondary oocyte present in oviduct Oocyte activation Meiosis…

A: A crucial biological process known as fertilization occurs when an egg cell containing genetic…

Q: Which of the statements is FALSE?

A: We must have prior knowledge of the following areas in order to comprehend each statement in the…

Q: Describe the events taking place during meiosis? What are the different phases? What is the…

A: Meiosis is a sort of cell division that occurs in sexually reproducing organisms' germ cells and is…

Q: What is unusual about the cytoplasm during cell divisions that result in spermatids?

A: Spermatid is the haploid male gametid which results from division of secondary spermatocytes.Each…

Q: Describe the timing of meiosis I and II during human oogenesis.

A: Oogenesis is defined as the process by which the female sex cells or ova or egg cells are formed. It…

Q: describe the appearance of DNA, spindle fibers and location of the chromosomes in Onion root tip…

A: Metaphase  One phase of cell cycle in which chromosomes align on the equator.

Q: Explain the chromosomal and genetic control of sex determination in mammals. Clearly establish the…

A: Mammals belong to the class Mammalia. They are vertebrates. It belongs to the kingdom Animalia and…

Q: Sexual reproduction and meiosis go hand-in-hand. Meiosis is the process responsible for gamete (sex…

A: Cell cycle are the series of events that produce daughter cells from parent cell.

Q: Why do you think males produce gametes throughout life yet females have a limited timespan? Does…

A: females have a limited reservoir

Q: In general, mammalian sperm are viable even if they are aneuploid, but pollen grains (a.k.a. “plant…

A: Sperm is the microscopic, elongated haploid motile male gamete or also called as paternal gemate.…

Q: Select all the features of meiosis that are true.

A: The features of meiosis includes : DNA is replicated in S phase. Nuclear envelope dissolves.…

Q: Which one of the following entries most accurately describes the stage at which oogenesis is…

A: Oogenesis is the formation of ova.It is divided into three stages -  A) Multipication phase - In…

Q: Explain why genetic mutations in asexual organisms lead to much more rapid evolutionary change than…

A: Reproduction is the biological process through which new individual organisms are produced from…

Q: In neurulation, what cell types are involved? What morphogens are present (and antagonists)? What…

A: Neurulation is the process that gives rise to the nervous system in embryonic development. This…

Q: How does the role of meiosis in gamete production differ between organisms with a diploid-dominant…

A: An organic existence cycle (or simply lifestyles cycle or lifecycle) is a sequence of modifications…