Explain the term homogametic sex?

Q: Define dichogamy?

A: Self-incompatibility is one of the out-breeding devices through which the plants prevent inbreeding…

Q: Besides the XY system, are there other sex determination systems?

A: XY system of sex determination is found in humans.  In humans, males are heterogametic sex and…

Q: Explain about the gamete formation ? What are the results of this ?

A: Gamete can be defined as a  sex cell;which contains a haploid number of chromosomes and it has the…

Q: Describe the three major types of sexual life cycles.

A: Sexual reproduction was an early evolutionary innovation after the appearance of eukaryotic cells.…

Q: Distinguish between the concepts of sexual differentiation and sex determination.

A: Sexual reproduction is a type of reproduction in which organism under goes different cycles like…

Q: what might be the disadvantage to temperature-dependet sex determination?

A: Sex determination of an organism is the process by which certain factors like genes, temperature or…

Q: What are chromosomal basis of sex determination?

A: Chromosomes are the thread-like structures that appear in the cells only during the cell division.…

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: Explain briefly what is a sex link

A: Genes are the sequence of nucleotides present on the DNA which encodes a particular phenotype.

Q: Explain why steroids are responsible fr the secondary sex characteristics

A: Asked : Reason for steroids are responsible for the secondary sex characteristics

Q: Why are Barr bodies not found in males?

A: In 1949, Barr and Bertram first observed a condensed body was called sex chromatin by them and was…

Q: Define andropause (male climacteric)?

A: Hormones are the biochemical messenger of the body. They are secreted from an endocrine gland,…

Q: Explain sex determination in humans?

A: Sex determination results in the development of individuals with characteristics that allow them to…

Q: Explain sex differentiation?

A: Introduction  Chromosomes are classified into two types: Autosomes and Allosomes/Sex chromosomes.…

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: In the X-Y and Z-W systems of sex determination, which sex is theheterogametic sex, the male or…

A: Ans: Sex determination: It is the biological systems which determines the sexual characteristics in…

Q: Only one gene is present in gamete and not both . explain it?

A: Gametes  Gametes are the male and female reproductive cell produce by male and female reproductive…

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

A: Sex chromosome, either of a pair of chromosomes deciding whether a individual is male or female.…

Q: Explai sex determination briefly?

A: Sex determination is defined as the establishment of the sex of an organism. It is done usually by…

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: Explain post covid syndrome

A: There are two phases to what in particular is ordinarily known as Long COVID:  • Continuous…

Q: Consider a gamete. How many chromosomes are present and how many alleles of each gene are present?

A: Gamete is a mature haploid male or female germ cell which is formed during meiosis and is able to…

Q: What gene normally present on the Y chromosome is responsible for a male phenotypic sex?

A: Sex determination in humans is based on the type of chromosomes present in an individual. Humans…

Q: Describe the basis of sex reversal in humans.

A: Sex-reversal is an event in which the sex of an offspring is opposite to the genetically determined…

Q: Distinguish between primary and secondary sex characteristics.

A: In an organism, sexual characteristics conduct features related to sex. Primary sex characteristics…

Q: How is sex determined in humans?

A: Genotype is the genetic makeup of an organism. Chromosomes are the large molecules of genes or DNA.…

Q: Describe the technique which is used for sex determination in foetus?

A: Sex determination system is used to determine the sexual characteristics of a developing fetus. By…

Q: Explain the term anisogamous.

A: Anisogamous is a type of reproduction in which male and female gametes have different morphology.…

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: Explain the term heterogametic sex?

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

Q: What is the difference between genetic and environmental sex determination?

A: A sex-determination framework is a natural system that decides the development of sexual qualities…

Q: Define gametes

A: Reproduction is the process of the production of the new individual organism from the parents. It is…

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: What do you understand about the phrase "post covid syndrome"?

A: Coronavirus disease 2019 is also called as coronavirus which is a contagious disease occurring…

Q: Explain the Mechanisms of Sex Determination?

A: Every cell has 46 chromosomes Two of the 46 chromosomes, known as X and Y, are called sex…

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

A: Step 1 Allosomic genetic determination of sex is determined by distinct chromosomes called sex…

Q: What is the difference between primary and secondary sex determination?

A: Sex determination is the act of determining the sex/gender of a person, and this is done by…

Q: How do chromosomal, genic, and environmental sex-determining systems differ?

A: Small nucleotide stretches present on DNA molecules that encode information for the synthesis of…

Q: Distinguish between the Protenor and Lygaeus modes of sexdetermination ?

A: Genetic information is passed from one generation to another via DNA. Inheritance patterns differ…

Q: Does Y chromosome play a role in sex determination ?

A: A biological system that controls the development of sexual traits in an organism is known as a…

Q: What is the role of sex in evolution? Explain

A: Over consecutive generations, evolution is defined as a change in the heritable traits of natural…

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.