Is Barr's Corpuscle a Reliable Tool for Sex Determination?

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 how the mouse and the fruit fly differ in the chromosomal control of sex determination.

A: Sex determination is a biological system by which the development of the sexual characteristics in…

Q: Contrast the XX/XY and XX/X0 modes of sex determination.

A: A sex-determination system is a biological system that determines the development of sexual…

Q: How does independent assortment, crossing over and random fertilization contribute to genetic…

A: Genetic variation refers to diversity in gene frequencies. Genetic variation can be referred to as…

Q: Which sex normally contributes the mitochondrial genes to the offspring?

A: mtDNA (mitochondrial DNA) is found in the mitochondria, cellular organelles inside the eukaryotic…

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: Why do males even exist? Is there any advantage to keeping males around from a genetic perspective?

A: Reproduction: Important biological process by which new offspring are reproduced by their parents is…

Q: How might secondary sex characteristics in males differ from those infemales in a species in which…

A: Sexual dimorphism is the difference in the morphological characteristics of males and females. The…

Q: Why is sperm usage biased when femalefruit flies mate twice?

A: Biology is a branch of science that studies about the living organisms. The biology studies about…

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: Define Corticaldivisionsite

A: The cerebral cortex, which is the brain's largest region, is the brain's ultimate control and…

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: Write a short note on fertilization in Riccia ?

A: These plants are small and thalloid, meaning they lack root, stem, and leaf differentiation. The…

Q: Explain sex determination in humans?

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

Q: how does the  asexually produced individuals move across the landscape?

A: The process by which a new individual is generated from the parents is known as reproduction. Sexual…

Q: IS opulation?

A: A population is a subgroup of individuals from a single species that inhabit a specific geographic…

Q: What is sexual dimorphism? How can you say human beings exhibit sexual dimorphism?

A: Sexual dimorphism is the systematic difference in form between individuals of different sex in the…

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: 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: What are the sex dtermination in honey bee?

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

Q: Explain the male-specific region of the Y (MSY) ?

A: Introduction  A normal human diploid cell contains 23 pairs of the chromosomes. Out of these 23…

Q: Identify two organisms that appear similar but have two different mechanisms of sex determination.…

A: Animals with two distinctive sex chromosomes are of heterogametic sex, and they are subsequently…

Q: Explain the asxual reproduction

A: Reproduction is the production of offspring. There are two types: Sexual reproduction  Asexual…

Q: What specific observations (evidence) support the conclusions about sex determination in Drosophila…

A: BASIC INFORMATION SEX DETERMINATION  It is basically the establishment of the gender of an…

Q: Is the sperm or the egg are responsible for the sex of the cheaks?

A: In birds, the sex determination follows ZZ-ZW mechanism. In this mechanism, male is homogametic (ZZ)…

Q: Distinguish between primary and secondary sex characteristics.

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

Q: What might be the disadvantage to temperature dependent sex determination?

A: Step 1 The establishment of sex through differential development in an individual at an early stage…

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: Outline the molecular mechanism of sex determination in Drosophila and mammals.

A: Sex determination refers to determining the sex of an individual. The sex of an organism is…

Q: Generally how does a maleanimal realize that the femaleis receptive to copulation?

A: A social sign might be viewed as any standard of conduct that adequately passes on information…

Q: How many sexual organs do male koalas have?

A: koala is considered a common tree-living herbivorous animal in Australia. It belongs to the class…

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: What determines sex in birds, reptiles, humans, ants, and bees?

A: In most of the animals, sex is determined by sex chromosomes.

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: Are there secondary sex characteristics that could be the basis of a reliable sex determination…

A: Introduction Secondary sexual characters:- These are the characteristics that help to distinguish…

Q: How does sex determination in Drosophila differ from sex determination in humans?

A: Sex determination is a method for determining the sexual characteristics within an organism. These…

Q: How do asexually produced individuals move across the landscape?

A: Reproduction can be defined as that process in which a new individual is formed from the parents.…

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: Discuss the temperature-dependent sex determination (TSD)?

A: Sex determination is the process of the development of an embryo into specific sex (either male or…

Q: Why does the mode of fertilization correlate with thepresence or absence of male parental care?

A: The reproductive system is a combination of sex organs that functions in a synchronized manner in…

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: What is the difference between sex determination in mammals and in Drosophila?

A: Sex determination is the process of identification of different sex that is male and female, in…

Q: What is the importance of the pharyngeal pouches in development? Discuss.

A: In embryology, pharyngeal pouch is defines as "any of a series of evaginations of ectoderm on either…