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If both plants in the parent generation are homozygous for pea color, which of the following statements must be true? Hint: Examine the F1 generation. What do you notice?
A.)Yellow alleles are dominant over green alleles.

B.)All plants in the F1 generation are homozygous for the yellow allele.

C.)Green allele is dominant over yellow for pea color.

D.)The parents both passed on the yellow allele.

Respuesta :

If both plants in parent generation are homozygous for pea color, All plants in the F1 generation are homozygous for the yellow allele. The parents both passed on the yellow allele.

Explanation:

In Mendelian peas it is said the yellow colour is dominant over green colour.

If in F1 generation all alleles are dominant and homozygous for yellow colour allele. All four progeny are dominant and homozygous.

    R       R

R  RR    RR

R   RR   RR

Punnett square

both parents passed on the yellow allele.

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