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Gene interactions Epistasis and its types

. The Phenomenon of two or more than two genes affecting the expression of each other is Called?

A) Crossing over

Pairing

Gene interaction

Linkage

Which of the following ratio shows complementary gene interaction?

9:7

15:1

1:2:1

9:3:3:1

Which of the following does not show Mendel’s law of inheritance?

Masking gene interaction

Epistasis

Supplementary gene interaction

Codominance

. Crossing of two white flowers gives a colored flower, this shows complementary gene Interaction?

True

False

What is epistasis ?

Type of linkage

Masking or modifying gene effect

Upper portion of a chromosome

Group of genes

Which of the following is NOT the type of epistasis?

Dominant

Recessive

Collabrative

Supplementary

Choose the correct ratio, which shows the masking gene interaction?

12:3:1

9:3:4

1:2:1

9:7

Epistasis is the interaction between_____________ genes.

Epistasis is the interaction between two genes producing a new phenotype?

True

False

The cross between a white mouse and a black mouse _______________?

Can’t give a Black mouse

Can’t give a White mouse

Can’t give a Agouti mouse

Can give all combinations

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