Biology, 18.02.2020 20:40 Kekkdkskdkdk
In pea plants, the gene for round seed (R) is dominant, and wrinkled seeds (r) are recessive. The endosperm of the pea is also either starchy, a dominant gene (S), or waxy (s). What can be said of a fully heterozygous, dihybrid cross?
A. It is impossible to secure offspring that are homozygous for both dominant genes.
B. It is impossible to secure offspring that are homozygous for both recessive genes.
C. It is impossible to secure offspring that are homozygous for one dominant gene such as round seed and homozygous recessive for the other recessive waxy gene.
D. All of these choices are impossible combinations in a dihybrid cross.
E. All of these choices are possible combinations in a dihybrid cross.
Answers: 3
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In pea plants, the gene for round seed (R) is dominant, and wrinkled seeds (r) are recessive. The en...
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