NEET Biology question

Dominant lethal gene is one which

(A)Allows the organism to survive but not reproduce
(B)Determines sex of offsprings
(C)Allows the organism to survive and reproduce
(D)Kills the organismCorrect

Answer: (D)

Solution

A dominant lethal gene causes the death of any individual carrying even a single copy (since it is dominant, it is expressed and lethal in the heterozygous

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Question ID VK-119466