Question

Hairline shape is an inherited trait. The widow's peak allele is dominant over the straight hairline allele. If both parents have a widow's peak, can they have a child with a straight hairline? Why or why not?

Answer 1

They can have a child with straight hairline even though they posses the dominant phenotype only if the genotype is heterozygous.

Step-by-step explanation:

Answer 2

They can have a child with straight hairline even though they posses the dominant phenotype only if the genotype is heterozygous.