Practice mode Plant Breeding and Genetics

When red (RR) is crossed with white (WW), all the RW offspring are pink. What does this show about the R allele?

Correct answer A. Incompletely dominant

Explanation

The pink heterozygote is intermediate between the two parents, so R does not completely mask W. This blending of phenotypes in the heterozygote is incomplete dominance.

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When red (RR) is crossed with white (WW), all the RW offspring are pink. What does this show about the R allele?

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When red (RR) is crossed with white (WW), all the RW offspring are pink. What does this show about the R allele?

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