What is meant by a phenotype ratio in a Punnett square?(1 point)

Responses

the number of genes that are possible in offspring
the number of genes that are possible in offspring

the fraction of possible offspring that can be observed to have a trait
the fraction of possible offspring that can be observed to have a trait

the number of alleles in possible offspring
the number of alleles in possible offspring

the fraction of possible offspring that contain a certain allele in their genes

1 answer

The correct response is:

the fraction of possible offspring that can be observed to have a trait

In a Punnett square, the phenotype ratio refers to the relative proportions of different observable traits (phenotypes) that can result from a genetic cross.