In humans widow's peak (W) is dominant over straight hairline (w). If a heterozygous male marries a female with a straight hairline what percent of their children can be expected to have widow's peak?

50% of their children are expected to have a widow's peak. When a heterozygous male (Ww) with a widow's peak gene marries a female with a straight hairline (ww), their offspring have a 50% chance of inheriting the widow's peak gene from the father.