Principles of Inheritance and Variation Question 93

93. A polygenic inheritance in human beings is

(a) Skin colour

(b) Phenylketonuria

(c) Colour blindness

(d) Sickle cell anaemia

Show Answer

Answer : a

Hints & Solution

(a) Polygenic inheritance show cumulative effect i.e. two independent dominant genes produce additive effect on an individual.



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