SATHEE: Molecular Basis Of Inheritance Ques 107

Molecular Basis Of Inheritance Ques 107

107. What base is responsible for hot spots for spontaneous point mutations?

[1998]

(a) Adenine

(b) 5-bromouracil

(c) 5-methylcytosine

(d) Guanine

Show Answer

Answer : c

Hints & Solution

(c) The term “hot spots” was used by Benzer for the sites which are more mutable than other sites. Studies in 1978 revealed that 5-methylcytosine residues occur at the position of each hot spot.

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Molecular Basis Of Inheritance

Molecular Basis Of Inheritance Ques 107

107. What base is responsible for hot spots for spontaneous point mutations?

Answer : c

Hints & Solution

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