Lethal genes are

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4.Principles of Inheritance and Variation

normal

Lethal genes are

A

Dominant homozygous

B

Recessive

C

Dominant heterozygous

D

Codominant

Solution

(a) The dominant homozygous $(GG)$ seedling are completely yellow, therefore they will die because $G$ in the homozygous has lethal effect.

Standard 12

Biology

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