8. When two parents of heterozygous genes of curly hair are crossed, what parent of their offspring (f2) would have curly hair? a. 25% b. 50% c. 75% d. 100% 9. Juan is heterozygous brown. if B is for brown hair, and b is for blonde hair, what is Juan's genotype? a. BB b. Bb c. bb d. bB 10. Pedro is heterozygous. if B is for brown hair, and b is for blonde hair, what is Pedro's phenotype? a. black hair b. blonde hair c. brown hair d. brown and blonde hair