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lara [203]
3 years ago
15

Dimples (D) and brown hair (A) are dominant traits. Answer the following questions based on the dihybrid cross shown:

Biology
1 answer:
ira [324]3 years ago
5 0
1. DDAA, DdAa
2. DDaa, Dada
3. ddAA, ddAa
4. ddaa
5. The phenotypic ratio is 9:3:3:1 where 9 combinations will produce offspring with both dominant phenotypes (dimples and brown hair), 3 will produce offspring with one dominant phenotype and one receive phenotype (dimples, blonde hair), 3 will produce offspring with one receive phenotype and one dominant phenotype (no dimples, brown hair), and one will produce offspring with both recessive phenotypes (no dimples, blonde hair)
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