Concerning the sexchromosomes of the XYsystem which type of gametedo the male and the femaleindividuals respectivelyproduce?

Q: Describe the three major parts of a spermatozoon and state what organelles or cytoskeletal…

A: Sperm: it's the male gamete created by the male gonad referred to as testis. The sperm cell…

Q: The frog, Rana pipiens, has 13 pairs of chromosomes. How many chromosomes would be expected in: a…

A: Chromosome Rod shaped, Self-replicating dark strained genetic structure containing organized DNA…

Q: How Do Meiosis and Union of Gametes Produce Genetically Variable Ofspring?

A: Introduction: In meiosis, a single cell undergoes the process of division twice and result in the…

Q: a. How many spermatozoa does one secondary spermatocyte produce?   b. Where in zygote does the first…

A: The male gamete "sperm" fuses with the female gamete "Ovum" and after this fusion "Zygote" develops.…

Q: • How many sperm cells will be produced by 800 spermatids? (number only) • If there are 50 secondary…

A: The secondary spermatocyte divides into 2 haploid spermatids which transforms into a mature sperm by…

Q: What cohesins facilitate the attachment of sister kineto-chores to microtubules emanating from the…

A: The segregation of homologous chromosomes lies in them being pulled apart by microtubules. On one…

Q: What are the possible abnormal gametes the male can produce with non-disjunction occurring in…

A: When nondisjunction occurs at the end of meiosis II it will result into 50% normal gametes. the…

Q: Describe how nondisjunction in human female gametes can give rise to Klinefelter and Turner syndrome…

A: Gametes are formed by the process of meiosis.

Q: What type of gamete is produced by an antheridial head? By an archegonial head?  Are these produced…

A: The anthredial head and archegonial head are present in the bryophytes. The bryophytes are also…

Q: What is the role of meiosis? In what ways does meiosis give rise to different genetic combinations…

A: What is the role of meiosis?

Q: Describe the events that follow contact of a spermatozoon with an egg and explain Polyspermy and the…

A: The term "embryogenic development" is sometimes used. This procedure involves the embryo's creation…

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: Describe the XX-XO system of sex determination. In this system, which is the heterogametic sex and…

A: In a biological system, the development of sexual characteristics in an organism determined by the…

Q: In the metagenesis of Aurelia and Obelia what is the form that produces gametes? What is the form…

A: Metagenesis also referred to as alteration of generation, is a phenomenon in which a diploid asexual…

Q: Which is the type ofgamete produced by aheterozygous individual?What is the genotypicalproportion of…

A: Alleles are the two-contrasting form of genes. They are pairs of genes on a chromosome that…

Q: Would a pair of haploid offspring produced by parthenogenesis begenetically identical? Explain.

A: Parthenogenesis is a type of asexual reproduction, which involves production of offspring from…

Q: Why is it necessary for gametogenesis to reduce the chromosome number of the sex cells by one-half?

A: Ans: Gametogenesis: It is the biological process in which haploid or diploid cells divide as well as…

Q: Is it possible that an Xchromosome of a woman canhave come from her father?

A: Sex determination is a function of sex chromosome  in organisms. There are different ypes of sex…

Q: What would be the genetic consequences for the gametes and offspring if crossing over occurred…

A: Sexual reproduction ensures diversity in nature. This diversity is mainly achieved due to the…

Q: In humans, what are the random and non-random events in sexual reproduction (post-meiosis) that…

A: Reproduction is the process in which new offspring are produced from the parent. Sexual reproduction…

Q: What is the relationbetween fecundation and theend of the meiotic processduring oogenesis?

A: Gametogenesis is the process of production of gametes i.e. sperm and egg through meiosis. During…

Q: Describe one function, brought about by the process of meisos, that spermatogenisis and oogenisis…

A: Common function between spermatogenesis, oogenesis and meiosis :-

Q: If two sperm cells were able to fertilize the same oocyte, how many chromosomes would the zygote…

A: Healthy humans have 46 chromosomes, 23 from the sperm and 23 from the egg. It is widely known that…

Q: Starting with oogonia, describe the formation ofsecondary oocytes by meiosis. What are polar bodies?

A: When the females are born, they have complete supply of the gametes for lifetime. At birth, there is…

Q: Assuming that independence assortment occurs during meiosis what types of gametes will form…

A: Independent assortment is the separation of gene pairs independently from the other gene pairs.…

Q: What are the advantages and disadvantages of the alternation between fertilization and meiosis in…

A: The fusion of female gamete (egg cell) and male gamete (sperm) is termed as fertilization.

Q: In humans:a. How many sperm develop from 100 primaryspermatocytes?b. How many sperm develop from 100…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Relate the general stages of meiosis to the specific processes of spermatogenesis and oogenesis.

A: Meiosis occurs only in gametocyte stages of the germ cells. Two cell divisions result in four new…

Q: What is crossing over? Howis meiosis related to thisphenomenon?

A: Meiosis : A type of cell division in which parent cell give rise to 4 haploid (n) daughter cells.…

Q: Why do females have Barr bodies?

A: The sex chromosomes present in the males differ from the sex chromosomes present in the females. The…

Q: Why do mature gametes carry only one set of chromosomes?

A: Gametes are male and female gametes which are haploid .These are germ cells. Ex: sperm cell and egg…

Q: Explain how the random alignment of homologous chromosomes during metaphase I contributes to the…

A: During metaphase I, the chromosomes align at the center of the cell. This phase ensures that the two…

Q: What impact does meiosis have on gene copy number and genetic diverstiy in gametes?

A: Meiosis is an extraordinary kind of cell division of germ cells in explicitly repeating creatures…

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…

Q: Define gamete and zygote. What number of chromosomes does each have  (in humans)?

A: Gametes are defined as an organism's reproductive cells. They are also mentioned  to as sex cells.…

Q: What are two distinct chromosomes that provide the basis of sex determination?

A: In a biological system, the development of sexual characteristics in an organism is determined by…

Q: If nondisjunction of the sex chromosomes takes place in meiosis I in the male, what sexual…

A: Meiosis is a type of cell division in which a diploid cell undergoes reductional division to form…

Q: How many polar bodies are given out in production of one egg during cogenesis?

A: In the human female reproductive system, the process of formation and maturation of the female…

Q: What does the sex chromosome genotype OY produce in humans?

A: Chromosomes are the unit of inheritance that carry genetic information from one generation to…

Q: When are primary oocytes and spermatocytes produced, and how manygametes result from one diploid…

A: Spermatogenesis as the name suggests is the production of male gametes by the process of meiosis,…

Q: Which of the phases of XCI occurs in anadult female?

A: X chromosome inactivation is a gene silencing program on one of the X chromosomes in females. This…

Q: Assuming no crossing over between the gene in question and the, when do alleles segregate during…

A: gene is present in different forms that are expressed in a phenotype; allele is a one of the…

Q: Concerning their size andbasic morphology how andwhy do the male and thefemale gametes…

A: Gametes or the sex cells are produced by the meiosis process called gametogenesis. The production of…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.