A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If both the assertion and reason are false
E) If the assertion is false but reason is true
Correct Answer: B
Solution :
If the deficient cell is a gamete that is subsequently fertilized by a gamete carrying a non-deficient homologue, all cells of the resulting organism will carry the deficiency in the heterozygous conditions. Recessive genes on the nondeficient chromosome in the region of the deficiency may express themselves (pseudodminance).
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