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

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

Options

(a) Deletion and insertion of base pairs cause frame-shift mutations
(b) Cancer cells commonly show chromosomal aberrations
(c) UV and Gamma rays are mutagens
(d) Change in a single base pair of DNA does not cause mutation

Correct Answer:

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

Explanation:

Change in single base pair of DNA is also a type mutations called point mutations. It is a type of mutations that causes the replacement of a single base nucleotide with another nucleotide of the gentic material, DNA or RNA. For example, a point mutations is the cause of sickle cell disease.

Related Questions:

1. Which of the following characteristics is mainly responsible for diversification
2. Two genes R and Y are located very close on the chromosomal linkage map of maize plant
3. In higher plants continuity of cytoplasm from one cell to its neighbouring
4. In man, which of the following genotypes and phenotypes may be the correct
5. Match the disease with the appropriate pathogen/prevention/ treatment

Topics: Genetics (204)
Subject: Biology (4253)

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