Botany-Multiple Alleles
NEET Botany Multiple Alleles MCQ Question
Type: MCQ-numerical-Hard-Class 12
In a genetic cross between a tall plant with yellow seeds (TtYy) and a tall plant with green seeds (Ttyy), what proportion of the offspring is expected to exhibit the phenotype of tall plants with green seeds?
A
3/8
B
1/4
C
1/2
D
1/8
Correct Answer
Option A
Detailed Explanation
The genotype of the cross is TtYy x Ttyy. The proportion of tall plants (T_) is 3/4 and the proportion of green seeds (yy) is 1/2. Thus, the expected proportion of tall plants with green seeds is (3/4) * (1/2) = 3/8.
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