1. Dihybrid Crosses and Gene Linkage
AHL Topic 10.2
Topic 4.3

4. Let’s Practice Widows Peak= dominant (W) Dimples= dominant (D)
Cross a woman that is homozygous dominant for both traits with a man that is homozygous recessive for both traits.
Woman’s genotype =
Woman’s gametes =
Man’s genotype =
Man’s gamete =

5. Phenotypes of offspring=
Cross a woman that is heterozygous for both traits with a man that is homozygous dominant for both traits.
Woman’s genotype =
Woman’s gametes =
Man’s genotype =
Man’s gamete =
 Phenotypes of offspring=

10. 10