Question

Which best describes a recessive allele?

Answer 1

Buddy seems like thy question is incomplete but

Recessive alleles are the one who show their presence when bothe the alleles are recessive and if there is a single dominant one it does not show its presence.

Answer 2

$\huge \mathfrak \pink{Answer}$

a small letter describes the recessive allele

it cannot express itself until it gets another allele of same trait.

Ex. t is a recessive allele for dwarfness, whereas, T is a dominant allele.