Individuals having homomorphic sex chromosomes produce:

Meta-females (super-females) in Drosophila have which of the following chromosome complements?

Usually,the recessive character is expressed only when present in a double recessive condition. However,a single recessive gene can express itself in human beings when the gene is present on

In $Drosophila$,sex is determined by:

The number of autosomes in a human is (in $pairs$)

Which of the following organisms produce two types of gametes?