What does the term mutation mean in regards to human genetics?

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.

Explanation:

A mutation is a change in a DNA sequence

Mutation is just a change in human genetics

Explanation:

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

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the answer would be 2, if crossing over doesn’t occur 2 out of 4 of the daughter cells will have that allele.

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