Question

what is mutation?? mention it's cause??​

Answer 1

Mutations arise spontaneously at low frequency owing to the chemical instability of purine and pyrimidine bases and to errors during DNA replication.

It's Causes are as follows :

Mutations occur at some time during a person's life and are present only in certain cells, not in every cell in the body. These changes can be caused by environmental factors such as ultraviolet radiation from the sun, or can occur if an error is made as DNA copies itself during cell division.

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Answer 2

Answer:

a mutation is the alteration of the nucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA