Which of the following is not correct concerning epistatic interactions?
A) They can be associated with enzymatic pathways.
B) They produce variations in the expected 9:3:3:1 ratio of a dihybrid cross.
C) They can result when a gene at one locus masks the expression of a gene at a different locus.
D) They always result in a 9:7 ratio of a dihybrid cross.
E) They are due to gene interactions.
Correct Answer:
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