Question

The only way recessive alleles show is if

there are
1 dominant and 1 recessive allele
2 recessive, alleles

Answer 1

Two recessive cells

Step-by-step explanation:

The dominant trait powers over the recessive trait so the dominant trait can not be there for the recessive to show. BB would result in a dominant trait being shown Bb would result in a dominant trait being shown bb however is the only way for the recessive trait to be expressed.

Answer 2

2.

there has to be 2 recessive parents