9. What is the embryonic sac?
Which are the cells that form
the embryonic sac? What are
their ploidies?

Gap-fill exercise

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The embryonic sac is female
gametophyte of angiosperms.

embryonic sac is composed three
cells that remain to the micropyle,
two synergids and the central
(egg); one binucleated cell,
polar nuclei, is placed the central
region; three cells stay in the
side to the micropyle.

all these cells come mitosis
from the functional they are
haploid (n).