By the way the question tells me I must think that it might be perspective because you need a perspective to bring things to life.
Answer:
A - It allows for genetic variation among organisms.
Explanation:
Its basically sex or sexual reproduction. Which later allows for genes to spread and vary. Which create families in animals and humans.
Because Meiosis is Sexual Reproduction
<em>Hope</em><em> </em><em>this</em><em> </em><em>Helps</em><em>!</em>
<em>:</em><em>D</em>
The best explanation is that it occurs because most eukaryotic genes and their RNA transcripts have long non-coding stretches of nucleotides that are not translated.