Answer 1:
That depends on whether the body cell is
haploid (contains one copy of each gene) or
diploid (contains two copies). Gametes are
always haploid, so if the body cell is also
haploid, then they would have exactly the same
genetic information. If the body cell is diploid,
then it can have up to twice as much, if the body
cell were heterozygous for every gene (i.e. two
different alleles for each gene).
Animal body cells are always diploid. Plants go
through something called alternation of
generations where they have some bodies that
are haploid and others that are diploid. Fungi and
various protists are different yet.
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