Question

Define mutation in humans
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Answer 1

Explanation:

A mutation is a change in a DNA sequence. Mutations can result from DNA copying mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals called mutagens, or infection by viruses.

Answer 2

Answer:

It is a gene mutation is a permanent alteration in the DNA sequence that makes up a gene, such that the sequence differs from what is found in most people.

Mutations range in size;

they can affect anywhere from a single DNA building block (base pair) to a large segment of a chromosome that includes multiple genes.

Germline mutations occur in gametes.

• Somatic mutations occur in other body cells.
• Chromosomal alterations are mutations that change chromosome structure.
• Point mutations change a single nucleotide.
• Frameshift mutations are additions or deletions of nucleotides that cause a shift in the reading frame.