A polygenic inheritance in human beings is
A polygenic inheritance in human beings is
A. skin colour
B. phenylketonuria
C. colour blindness
D. sickle-cell anaemia
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Correct Answer - A
Human skin colour is controlled by polygenic effect atleast by three separate genes. Skin colour is determined by cumulative genes and this hypothesis was designed by Devenport and Devenport in 1910.
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