In multicellular organisms, the cell cycle produces groups of cells that perform the same function. what are these cells called?

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna.b) they study alleles that contain genes, which are chromosomes.c) they study chromosomes that contain genes, which are dna segments.

What could happen if two base pairs on a strand of dna or switched