Question

Unit 7 | Lesson 15
Unit Assessment: Genetics, Part 1
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6.

In a certain plant species, the allele for yellow seeds (Y) is dominant to the allele for green seeds. What is the phenotype result of a cross between a true-breeding yellow-seeded group of plants and a true-breeding green-seeded group of plants?

A.
all green seeds; no yellow seeds

B.
1/4 green seeds; 3/4 yellow seeds

C.
all yellow seeds; no green seeds

D.
1/4 yellow seeds; 3/4 green seeds
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It is C