In Sweet Peas,the Allele C Is Needed for Color Expression $\times$

question 29

Multiple Choice

In sweet peas,the allele C is needed for color expression (c results in white) .The precise color expressed is determined by the alleles R (red) and r (blue) .A cross between certain red and blue plants resulted in progeny as follows: 3/8 red,3/8 blue,1/4 white.What were the genotypes of the plants crossed?

• A)\ C/c;R/r \(\times\) C/C;R/R
• B)C/c;R/r \(\times\) C/c;R/r
• C)C/c;R/r \(\times\) C/c;r/r
• D)C/c;R/r \(\times\) c/c;R/r
• E)C/c;r/r \(\times\) C/C;R/r

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