Question

What is mutation ? Explain .

Answer 1

Answer:

A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke. Over a lifetime our DNA? can undergo changes or 'mutations?' in the sequence of bases?, A, C, G and T.

Explanation:

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Answer 2

MUTATION -

• Sudden , discrete and permanent change in genotype .

•One of 3 methods of development of variation.

•Most of the mutation are recessive , few are dominant.

•Most of mutations are harmful , few are beneficial .