Answer:
<h3>
Mutations are rare occurrences.</h3>
"A Mutation occurs when a DNA gene is damaged or changed in such a way as to alter the genetic message carried by that gene. A Mutagen is an agent of substance that can bring about a permanent alteration to the physical composition of a DNA gene such that the genetic message is changed."
<h3>
<u>Brainliest please!</u></h3>
23 individual chromosomes, 46 total. Cannot be more
The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cellsarise from existing cells. Rudolf Virchow later made important contributions to this theory. ... Thecell is the fundamental unit of structure and function in living things.
Answer:
Theme is the central idea or insight about life
Explanation:
