A female with $XXXX$ chromosome will have the following number of Barr bodies
One
Two
Three
Four
Crossing over that results in genetic recombination in higher organisms occurs between
What will be possible blood group in children from the parents with $B$ and $AB$ blood groups?
The character that is expressed in the $F_{1}$-generation is called the
Sex linked characters have one distinct feature
Discontinuous variations are