White Fruit Color in Summer Squash Is Influenced by a Dominant

question 78

Multiple Choice

White fruit color in summer squash is influenced by a dominant allele W,whereas colored fruit must be ww.In the presence of ww,a dominant gene G results in yellow fruit,and homozygous gg results in green fruit.The F2 phenotypic ratios resulting from a cross of a true-breeding plant with white fruit (genotype WW GG) with a plant with green fruit will result in which phenotypic ratios?  

• A) 8/16 white, 4/16 yellow, 4/16 green
• B) 12/16 white, 3/16 yellow, 1/16 green
• C) 4/16 white, 8/16 yellow, 4/16 green
• D) 12/16 white, 2/16 yellow, 2/16 green
• E) 8/16 white, 8/16 green

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