Hi, I'm Josh Clark.
And I'm wondering have you
ever been to a grocery store,
picked up some seedless
grapes, eaten them, and then
just stopped dead in
your tracks and thought,
wait a minute, how can something
that needs seeds to reproduce
be seedless.
These grapes
shouldn't even exist.
I mean, yes these seedless
grapes can be here.
But what about its children?
I'm here to answer this
existential question for you.
It turns out that most
of the fruit we eat
are clones of other fruit.
Most fruits is propagated
including seedless grapes,
through cuttings.
So they don't need
to have seeds.
Rather than following the
traditional angiosperm method
of reproduction, which
means producing seeds,
and fruit to cover those things.
So to produce a new
bunch of seedless grapes,
a whole new plant, you take a
cutting from an existing vine.
You dip that cutting
in rooting hormone.
And you put that cutting in a
little bit of nice warm soil.
A little moisture and
you've got a new vine
that's going to produce
more seedless grapes.
They never have to produce
seeds because they never
have to reproduce.
But where do the seedless
grapes come from to begin with?
Turns out somewhere
along the line,
somebody noticed some grapes
that didn't produce seeds well.
And said, hey, this
is a genetic defect
that I could really cash in on.
Let me just keep
propagating this one grape.
So all the seedless grapes
today are descendants
of clones of that original
freak of nature seedless grape.
Which you can thank the guy
who figured that one out.
And one last thing, the
seedless grapes you eat actually
do have seeds in them.
They have the
beginning of seeds that
due to that genetic mutation
we talked about, never
form the hard outer
shell, which means
you never choke on a grape seed.
You can thank that guy, whoever
his name is, he was a good guy.
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