Question

The allele for a widow’s peak has complete dominance over the allele for a straight hairline (w). What is the probability of a man with a straight hairline (ww) and a woman with a widow’s peak (WW) having an offspring without a widow’s peak

Answer 1

It is impossible in this case because both partners have homozygous alleles. The child will have Ww and because W has complete dominance the child will have a widows peak