Question

Where do chromosomal mutations begin?
Why do chromosomal mutations occur?

Answer 1

Answer:

A chromosome mutation is an unpredictable change that occurs in a chromosome. These changes are most often brought on by problems that occur during meiosis (division process of gametes) or by mutagens (chemicals, radiation, etc.).

Explanation:

Brainliest please?

Answer 2

Answer:

1) Different types of chromosome mutations can originate in the germinal cells.

2) Chromosome mutations are alterations occurring in chromosomes that typically result from errors during nuclear division or from mutagens. ... Abnormal chromosome numbers result from nondisjunction, or the failure of chromosomes to separate correctly during cell division.

Explanation:

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