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Principles Of Inheritance And Variation

Question
CBSEENBI12002374

Which one of the following is a wrong statement regarding mutations?

  • Deletion and insertion of base pairs cause frame-sheft mutations

  • Cancer cells commonly show chromosomal aberrations

  • UV and Gamma rays are mutagens

  • Change in a single base pair of DNA does not cause mutation

Solution

D.

Change in a single base pair of DNA does not cause mutation

Change in single base pair of DNA cause mutation as if mutated to termination codon or other amino acid codon-specific. Cancer is the uncontrolled process of cell division. The causal agents are certain chemicals, radiation, viruses that behave that cancer is a genetic disease caused by multiple mutation within the DNA.