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Principles Of Inheritance And Variation

Question

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A point mutation where guanine is replaced by cytosine is also called

Frameshift mutation

Transition mutation

Translocation mutation

Transversion mutation

Solution

D.

Transversion mutation

The base pair mutations are the most common type of mutations. These can be further categorised into two types

(a) Transitions, i.e. in which a purine base is replaced by another purine and pyrimidine is replaced by
another pyrimidine.

(b) Transversion, ie those in which a purine (guanine) is replaced by a pyrimidine (cytosine) and vice-versa.

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