mcqs

Question 1

explain what interhomolog bias is

Answer 1

repair of meiotic DSBs occurs preferentially with use of intact sequence from the homologous chromosome
it refers to the fact that there is a higher frequency of recombination events between homologous chromosomes compared to non-homologous chromosomes.

Question 2

what is an example of pattern formation process?

Answer 2

gastrulation

Question 3

what led to the evolution of mammalian sex chromosomes?

Answer 3

X chromosome inactivation
Meiotic sex chromosome inactivation
Translocation of genes from the Y chromosome to autosomes