DNA, RNA, and Genetics Question
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In corn plants, having kernel color (c) is recessive to the gene that inhibits kernel color (C). Color appears when the homozygous condition is present. At a different locus, the dominant allele (P) results in purple kernels, whereas the recessive allele (p) results in red kernels, again when homozygous. If plants heterozygous for both loci are crossed, what will be the phenotypic ratio of the offspring?
- 4 colorless : 10 purple : 2 red
- 12 colorless : 3 purple : 1 red
- 2 colorless : 2 purple : 12 red
- 9 colorless : 5 purple : 2 red