Last Updated：2025/12/29
Sentence
[P]reembryo
cells
from
different
parents
can
combine
and
grow
into
a
chimera
(an
individual
with
cells
from
two
or
more
zygotes)—in
this
case,
an
entity
containing
genetic
material
from
four
parents!
Spontaneous
chimeras
[…]
occur
rarely
in
our
species.
Recent
examples
include
a
woman
who
resulted
from
the
merger
of
two
zygotes
or
the
early
fusion
of
two
genetically
distinct
embryos.
Quizzes for review
[P]reembryo cells from different parents can combine and grow into a chimera (an individual with cells from two or more zygotes)—in this case, an entity containing genetic material from four parents! Spontaneous chimeras […] occur rarely in our species. Recent examples include a woman who resulted from the merger of two zygotes or the early fusion of two genetically distinct embryos.
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