Question

In humans, the alleles for curly hair (H) is dominant, and the allele for straight hair (h) is recessive.
If a homozygous dominant female mates with a heterozygous male. What is the probability that the offspring will have curly hair?

• A. $\frac{1}{4}$
• B. $\frac{3}{4}$
• C. $0$
• D. $1$

Answer 1

The correct option is D $1$

The cross is given below:


All offsprings will have curly hair. The required probability is 1.