Biology WAEC

Which of the following represents the phenotypic ratio, when a plant Rr is crossed with another plant Rr, assuming that the gene R for round seed is dominant and wrinkled r is recessive?
Which of the following represents the phenotypic ratio, when a plant Rr is crossed with another plant Rr, assuming that the gene R for round seed is dominant and wrinkled r is recessive?Which of the following represents the phenotypic ratio, when a plant Rr is crossed with another plant Rr, assuming that the gene R for round seed is dominant and wrinkled r is recessive?

A. 1:2:1
B. 2:2:1
C. 3:2
D. 3:1
E. 4:1

Correct Answer:

Option D – 3:1

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