Principles of Inheritance and Variation Question 102

102. Red (RR) Antirrhinum is crossed with white (WW) one. Offspring RW are pink. This is an example of

[1991]

(a) dominant -recessive

(b) incomplete dominance

(c) hybrid

(d) supplementary genes

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Answer : b

Hints & Solution

(b) Incomplete dominance is the phenomenon of none of the alleles being dominant, with the effect that the hybrid produced by crossing two pure individuals is a mixture between the parents.



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