lecture 10- genetic variation Flashcards

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1
Q

two genes: complementary gene action

A

products of 2 gene loci complement each other to produce a phenotype. one dominant allele at each locus is required for full expression of the phenotype (9:7 ratio)

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2
Q

dominant epistasis

A

the dominant phenotype at one gene affects the expression of alleles of another gene (12:3:1 ratio)

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3
Q

recessive epistasis

A

9:3:4 ratio

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4
Q

supression

A

one gene masks the expression of a specific allele of another gene (13:3 ratio)

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5
Q

duplicate genes

A

15:1 ratio

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