Ok, all of us
know that we were
formed by the
combination of an egg and a
sperm. But did you
know that when the
egg and sperm joined to become a
zygote, initially all
the work was done by the genes from the egg?
It is only
after the first few divisions that both the
gene sets from father
and mother kick into synergised
action.
And then on, it
is a zygotic genome.
Till then, the
cells are pleuripotent meaning each
cell can become any organ. But from this
time the cells start differentiating. to a large
extent become unique and start responding to the neighboring cells and the
surrounding environment...
There is a
very interesting paper on this phenomenon in the recent
Science journal, if you are
interested...
Combined with
the fact that your
energy production mechanism, the
mitochondria, come from the mother, the continous
early divisions of the fertilised egg reminds one of
the efforts of the mother in creating you.
Science 341, 1005 (2013); DOI: 10.1126/science.1242527
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