Question

Grain colour of wheat is determined by three pairs of polygenes. What proportion of `F_(2)` progeny will resemble either parents following a cross of AABBCC (dark colour) with aabbcc (light colour).
A. None
B. Half
C. Less than 5%
D. One third

Answer 1

Correct Answer - C
Only two out of 64 (one with pure dominant, one with pure recessive ) resemble parents. The percentage is 2/64`xx100`.