In some varieties of castor bean, the main background of seed color can be brown, gray and whitish. The P gene determines the brown color of the seeds and is epistatic in relation to the A gene, which determines the gray color of the seeds. The recessive allele a causes a whitish color, while the p allele does not affect the color of the seeds. Determine what color the seeds of hybrids obtained from crossing plants with genotypes (male) AAPP and (females) Aarr will have.
The seeds of the hybrids will be brown in color.
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