Crossing over that results in genetic recombination in higher organisms occurs between
Two daughter nuclei
Two different bivalents
Sister chromatids of a bivalent
Non-sister chromatids of a bivalent
Select the incorrect statement from the following.
If somatic cells of a human male contain single barrbody, the genetic composition of the person would be
Which of the following phenomena leads to variation in $DNA$?
Gene which suppresses other gene’s activity but does not lie on the same locus is called as
Chiasmata firstly seen in