AIIMS2005Botany-Genetics
AIIMS 2005 Botany Polygenic Inheritance MCQ Question
Type: MCQ-numerical-Medium-Class 12
Grain colour in wheat is determined by three pairs of polygenes. Following the cross AABBCC (dark colour) × aabbcc (light colour), in F₂ generation what proportion of the progeny is likely to resemble either parent?
A
none
B
less than 5 percent
C
one third
D
half
Correct Answer
Option B
Detailed Explanation
Polygenic results in quantitative inheritance.
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