The male progeny fall into two groups, one group represented by large numbers of progeny derives
from maternal gametes, these are called
The other group of male progeny is called
as they resulted from a
place in prophase I.
The frequency of recombination is a measure of the genetic distance between linked genes.
When two genes are on separate chromosomes, a ratio of 1:1:1:1 is expected for nonrecombinant and