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Alleles of the gene that determines seed coat pattern in lentils exhibit the following dominance series:...

Alleles of the gene that determines seed coat pattern in lentils exhibit the following

dominance series: CM (marbled) > CD (dotted) = CS (spotted) > c (clear) where “>” means “dominant to” and “=” means “co-dominant. A dotted lentil plant was crossed to a spotted and dotted lentil plant and the following offspring were observed:

1⁄2 dotted: 1⁄4: spotted and dotted: 1⁄4 spotted What were the genotypes of the parents in this cross?

A. CDc X CDCS

B. CDCD X CDCS

C. CDCS X CDCS

D. CDcXCSc
E. CDCD X CSCS

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