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Question : Select the incorrect state w.r.t. mutagens (a) 5 mythyl cytosine and 5 hydroxymethyl cytosine are natural base analogues (b) 5-bromouracil is a structural analogueof thymine © 2-aminopurine is an artificial base analogue of guanine (d) Nitrous acid deaminates adenine to hypoxanthine which is complementary to thymine. (e) Guanine is coverted to xanthine by Nitrous acid which pairs with cytosine

Answer»

(B), (d), & (E)
© & (d)
(a), (d), & (e)
all EXPECT (e)

ANSWER :B


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