HEREDITY
LINKED GENES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In a flower, the gene for purple flower (P) and round seed (R) are dominant over the genes for white flower and wrinkled seed. Pure breeding strains of the dominant and recessive varieties were crossed. The F1 generation then undergo test cross. What will be the ratio of the F2 generation if the genes for seed color and shape are not linked?
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9:3:3:1
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1:1:1:1
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1:1 and 1:1
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Explanation:
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