Genetics MCQ: MCQ on Epistasis
1
In the case of an epistatic gene affecting two different phenotypic traits, what is this interaction called?
2
Which term describes a situation where one gene affects the expression of a second gene?
3
In a dihybrid cross involving two genes with recessive epistasis, what is the expected phenotypic ratio?
4
What is epistasis?
5
Which of the following describes a recessive epistatic interaction?
6
In a recessive epistatic relationship, what phenotype is expressed?
7
In a dominant epistatic interaction, what is the expected phenotypic ratio of a dihybrid cross?
8
In the case of duplicate recessive epistasis, what phenotypic ratio is typically observed?
9
What does a 9:7 phenotypic ratio in a dihybrid cross usually indicate?
10
Which of the following is an example of dominant epistasis in humans?
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