Why are Barr bodies not found in males?

Q: Do all tissues in the body undergo meiosis?

A: Human body consists of two types of cell. These are :- A ) Somatic cell B ) Germ cell

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: Name the chromosomes which donot take part in sex determination.

A: Chromosomes are rod-shaped condensed chromatin fibers that act as hereditary vehicles as they store…

Q: What is incomplete dominance?

A: The genetics is the branch of biology that deals with the study of genes, genetic variation and…

Q: What is considered to be the fundamental difference between males and females of most organisms?

A: The males and females of almost all species differ from one another in various characteristics.…

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: How does meiosis increase variation?

A: Meiosis is a process in which single cell divides twice to produce four daughter cells containing…

Q: What causes incomplete dominance?

A: A gene is the physical and functional unit of heredity. The alternate forms of gene are referred to…

Q: How do meiosis produce genetic variability?

A: Cell division is a process of a parent cell replicating it chromosomal content and dividing itself…

Q: what is the chromosomal system for determining sex in mammals?

A: Chromosomal determination of sex It is also known as allosomic determination of sex and is based on…

Q: When does the process of meiosis happen in your lifetime?

A: The objective of the question is to understand when the process of meiosis, a type of cell division…

Q: what are Acrocentric Chromosomes?

A: Chromosomes are rod-shaped condensed chromatin fibers that act as hereditary vehicles as they store…

Q: How do we know whether or not a heteromorphic chromosome such as the Y chromosome plays a crucial…

A: Sex determination is the foundation or establishment of sex through differential advancement in a…

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: Which chromosome determines the sex? Which gene determines the sex?

A: Sex determination system is a biological system which determines the development of sexual…

Q: How is the genetic determination of sex established in humans?

A: There are 46 chromosomes in the diploid human genome, 44 of which are autosomes and two of which are…

Q: What is a Barr body, and where is it found in a cell?

A: A chromosome is a long DNA molecule with part or the whole hereditary material of a creature. Most…

Q: Q1: What are the odds that a given egg cell will contain an X chromosome? A Y chromosome? What are…

A: Note: We’ll answer the first question since the exact one wasn’t specified. Please submit a new…

Q: What is polyembryony?

A: An embryo is defined as the early developmental stage of eukaryotic organisms following the…

Q: How does meiosis produce new combinations of alleles?

A: Introduction  A normal cell can divide by two process one is Mitotic cell division while the second…

Q: Where are Kinetochores located?

A: Genetics is the branch of biology which deals with genes, heredity, and genome in the organism.…

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: Explain the term homogametic sex?

A: The sex finalization of the sex at the time of the zygote formation is called sex determination. It…

Q: How many x chromosomes are present in a male skin cell during metaphase?

A: Introduction:- In humans, the X chromosome is one of two sex chromosomes (the other is the Y…

Q: What may be the most likely reason for the existence of polar bodies? A) They act as a…

A: The production of egg and sperm is called gametogenesis. This takes place during meiosis where the…

Q: Do the egg and sperm each need to contain 46 chromosomes?

A: An organism's gametes are its reproductive cells. Another name for them is sex cells. Male and…

Q: What prevents an individual from mating with itself?

A: Mating is the process when hermaphroditic organisms or individuals of two opposite sex pair up for…

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…

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.