Questions
Which of the given cross will result in 9 : 3 : 3 : 1 phenotypic ratio?
a
RrYy x rryy
b
RRYy x RrYY
c
RRyy x rrYy
d
RrYy x RrYy
detailed solution
Correct option is D
When RrYy x RrYy then the phenotypic ratio is 9:3:3:1. Based on dihybrid crosses, i.e., crosses between plants differing in two pairs of traits, Mendel proposed the law of independent assortment.Talk to our academic expert!
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