Question

answer to the question ​

Answer 1

it has two contrast traits but one is dominant because  that trait can be expressed even when there is a another trait. for example tall is dominant over short

 whereas recessive trait is expressed only in the presence of another identical trait that is shortness is a recessive trait.

Answer 2

your answer Iss..

Genes related to one character has two contrast traits. But only one among them is considered as dominant. ... The one which expresses itself is called dominant allele. It can express itself on both homozygous and heterozygous condition.