Dosage compensation is a phenomenon which helps in balancing the expression of sex-linked as well as of autosomal genes. This expression is balanced in the case of organisms which are heterogametic. Henceforth, the organisms equalize the gene expression between those members that belong to different biological sexes.
In human beings, a single X chromosome in the females (XX) is randomly inactivated and the one which is expressed, transcribe all the information. Hence, we can say that the females are composed of the same number of X-linked genes that get expressed as do the males (XY).
Meiotic nondisjunction is much more likely than mitotic nondisjunction. Based on
A woman who is heterozygous, Bb, has brown eyes;
Explain why familial breast cancer shows a dominant pattern of inheritance in
How is an F′ factor different from an F factor?
With regard to the timing of conjugation, explain why the recipient
The raw material for evolution is random mutation. Discuss whether or
Why is an antibody used in this experiment? From
Explain the type of speciation (allopatric, parapatric, or sympatric
In fruit flies, curved wings are recessive to straight wings,
A recessive allele in mice results in an unusally long neck.
