Question

dominant gene and recessive gene . explain

Answer 1

Dominant gene is that gene which expresses itself
Recessive gene is that gene which suppresses or cannot express itself

Answer 2

Dominant gene is the gene expressed in F1 generation and in a large number.
Recessive gene is the gene expressed in subsequent generations but in small numbers.
It happens with recessive gene that it is inherited but not expressed.

Hope it helps..