WAEC - Biology (1989 - No. 46)
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?
assuming that the gene R for round seed is dominant and wrinkled r is recessive?
1:2:1
2:2:1
3:2
3:1
4:1