Read the following four statements \( (A-D) \) : (A) In transcription, adenosine pairs with urac...

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Read the following four statements \( (A-D) \) :
(A) In transcription, adenosine pairs with uracil.
(B) Regulation of lac operon by repressor is referred to as positive regulation.
(C) The human genome has approximately 50,000 genes.
(D) Haemophilia is a sex-linked recessive disease.
How many of the above statements are right?
(a) Two
(b) Three
(c) Four
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