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Additional
sex determination system
English Wikipedia - The Free Encyclopedia
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Sex-determination system
A
sex-determination system
is a
biological
system that determines the development of
sexual characteristics
in an
organism
. Most
organisms
that create their
offspring
using
sexual reproduction
have two sexes. Occasionally, there are
hermaphrodites
in place of one or both sexes. There are also some species that are only one sex due to
parthenogenesis
, the act of a female reproducing without
fertilization
.
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