In Radishes,long or Round Are Homozygous Forms of an Incompletely

question 29

Multiple Choice

In radishes,long or round are homozygous forms of an incompletely dominant gene,and oval is the phenotype of the heterozygote.If a long radish is crossed with a round radish,which of the following phenotypic ratios of the F2 generation is correct?  

• A) all round
• B) all oval
• C) 1/2 long, 1/2 oval
• D) 1 long, 2 oval, 1 round
• E) 1/2 oval, 1/2 round

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