Which of the following is true about lethal mutation?

1.	Which of the following is true about lethal mutation?
A.	It is brought about by destruction of a single molecule
B.	It is brought about by inhibition of enzyme activity
C.	Neither of the mentioned
D.	None of the mentioned
Answer» B. It is brought about by inhibition of enzyme activity

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Which of the following is true about lethal mutation?

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