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NEET UG BIOLOGY MCQ: MOLECULAR BASIS OF INHERITANCE
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Read the following four statements (i-iv).
i. In transcription, adenosine pairs with uracil.
ii. Regulation of lac operon by repressor is referred to as positive regulation
iii. The human genome has approximately 30,000 genes
iv. Haemophilia is a sex-linked recessive disease
How many of the above statements are correct?
i. In transcription, adenosine pairs with uracil.
ii. Regulation of lac operon by repressor is referred to as positive regulation
iii. The human genome has approximately 30,000 genes
iv. Haemophilia is a sex-linked recessive disease
How many of the above statements are correct?
View answer and explanation
Correct option: A
Two
Option A is correct because statements (i) and (iv) are correct. Adenosine pairs with uracil in transcription, and hemophilia is a sex-linked recessive disease.
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