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

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: What is the gene in the human chromosome that determines the "maleness"?

A: Gene is the sequence of nucleotides that encode a particular protein. The genes are present in the…

Q: What is the geneticcondition in which theheterozygous individual hasdifferent phenotype from…

A: Inheritance patterns are of different type’s   Mendelian inheritance, incomplete dominance,…

Q: What does post covid syndrome mean?

A: Covid 19, or coronavirus disease which was discovered in 2019 in the Wuhan district in china. From…

Q: What is the difference between sex-linked disease/disorder and sex chromosome disease/disorder?

A: Sex chromosomes are in the form of XX in females and in males, it is in the form of XY. When there…

Q: what is Sex Chromosomes and Sex Determination?

A: The chromosomes are the microscopic threadlike structure of the cell that carries the hereditary…

Q: how Autosomal Genes Contributeto Sexual Dimorphism?

A: A normal human has 23 pairs of chromosomes in which 22 pairs are known as autosomes and one pair is…

Q: What is the definition of meiosis? What are the phases of meiosis? What are the general features of…

A: Meiosis is the cell division where a parent cell divides to give rise to two daughter cells that…

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: What does the sex chromosome genotype XXY produce in humans?

A: In humans, two sex chromosomes are there; X and Y. The sex of the individual depends upon the…

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: What does the sex chromosome genotype XXX produce in humans?

A: Human beings have two types of chromosomes found in their body, they are, autosomes and allosomes.…

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: Suppose that a heterozygous female mates with a heterozygous male. What is the probability that a…

A: Parkinson's disease 14 is a type of autosomal recessive disease. This means that two copies of the…

Q: What is the difference between the X-Y and X-0 systems of sex determination?

A: The biological system that is known to determine the development of sexual characteristics is known…

Q: You want to study the biological basis of sex determination. What model will you choose and why?

A: Introduction Sex-determination is a biological system that determines the sex of an offspring based…

Q: What are the genotypes of the gametes of the following individuals: a.) BbCCddEe b.) RRggWw c.) ppRR…

A: Introduction: The genotype is the set of genes in DNA responsible for a trait. In a way it refers to…

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 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: 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: How does sex determination in the XX-XY system differ from sex determination in the ZZ-ZW system?

A: The determination of sex is done by specific chromosomes  In humans and many other animal species,…

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

A: A sex-determination system can be defined type of biological system which determines the kind of…

Q: How does non-disjunction in meiosis lead to numerical chromosomal aberration?

A: Chromosome is the rod shaped, dark stained bodies which are most prominently seen in the metaphase…

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: 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: 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: Do the genes of the X and Ychromosomes determine onlysex characteristics?

A: The human cell contains 23 pairs of chromosomes. The first twenty three pairs of chromosomes are 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: What is Sex-linkage?

A: Introduction In this question we will discuss about the sex linkage.

Q: What is meant by genic sex determination?

A: The theory of genic balance given by Calvin Bridges in 1926 states that rather than XY chromo­somes,…

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: 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 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: Where are sex linked genes predominantly

A: Chromosomes are thread-like structures present within the nucleus of both animal and plant cells.…

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: 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 are the key differences between autosomal genes and sexual dismorphism?

A: Autosomes:      The chromosomes other than the sex chromosome are considered autosomes. In simple…

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

A: The sex determination in an organism is based on the inheritance of sex chromosomes. In almost every…

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

A: A type of genetic condition where a male has an extra Y chromosome, is called an XYY syndrome. 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.