Humans Have an MN Gene That Codes for a Red

question 105

Multiple Choice

Humans have an MN gene that codes for a red blood cell antigen.The gene has two alleles,M and N.When the two alleles are inherited together,MN,both are expressed.This is an example of

• A) codominance.
• B) incomplete dominance.
• C) complete dominance.
• D) X-linked inheritance.
• E) base-pair substitution.

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