Answer :
According to the given statement at some point, two cells must fuse to become diploid.
The correct option is A.
What is diploid cell?
Human somatic cells are diploid, meaning they have 46 chromosomes, 22 pairs of autosomes, as well as a pair of y chromosome. A pair of chromosomes is one that has each chromosome has two copies.
Where are diploid cells?
Most eukaryotes have a diploid chromosomal set in somatic cells, or non-sex cells. These cells hold the organism's full genetic information, or chromosomes, or double the number of haploid chromosomes. As just a result, every cell in an organism contains every gene present in that organism.
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The complete question is -
Many single-celled eukaryotic organisms have evolved complex life cycles that include sexual reproduction. This means that:
A- at some point, two cells must fuse to become diploid.
B- diploid cells must undergo mitotic cell division in order to reproduce.
C- haploid cells must undergo meiotic divisions to form gametes.
D- complex mating behaviors likely evolved at the same time as sexual reproduction.
