Q: What leads to multiple copies of a chromosomal region?


Read this paragraph and choose the correct option from the provided answers:

Duplications (or amplifications ) lead to multiple copies of a chromosomal region, increasing the number of the genes located within that region. Some genes may be duplicated in their entirety.

 Choices:

- minimilizations

- gene modification

- subtractions

- duplications (or amplifications )


A:
duplications (or amplifications )