Incomplete dominance:

A: is the same as codominance.
B: involves the distinct expression of both alleles, as in the ABO blood group system.
C: occurs only in X-linked genes.
D: results in a phenotypic ratio of 1;2;1 in a monohybrid cross.
E: results in a phentoypic ratio of 1:1 in a monohybrid cross.


Answer: D: results in a phenotypic ratio of 1;2;1 in a monohybrid cross.

Biology & Microbiology

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