Chromatic Aberration

Enable Chromatic Aberration correction

They're both chromosome 3.

That's my Y chromosome.

What's interesting about this experiment is that it's not an aberration.

Yep, it... A momentary aberration, Cap'n, soon to be addressed. Jimbo!

It's on the X chromosome.

Then you get a chromosome.

So let's say we look at chromosome number I'll just call this chromosome number 3.

The chromosome is literally blown apart.

So this is a single chromosome.

Now, let's call this chromosome 3.

So this guy has pulled one copy of that chromosome and one copy of this chromosome.

The chromosome that was in the cell doesn't have one the chromosome we put in does.

(Those around him) said By Allah, lo! thou art in thine old aberration.

The new chromosome went into the cell.

look, this has my full chromosome complement.

And in the other case, the sperm is carrying an X chromosome, meeting the X chromosome of the egg.

Let me draw this whole purple chromosome there.

let's say it has this chromosome right here.

It's there for them the Y chromosome prize.

So maybe for this chromosome I get it from my dad, from the next chromosome, I get it from my mom.

This huge package of DNA is called a chromosome.

Each tiny mass of DNA is called a chromosome.

And then they have this longer purple chromosome here.

So let me zoom in on chromosome number 3.

We have 23 pairs of chromosomes, and in each pair, we have one chromosome from our mother and one chromosome from our father.

And you have two strands of DNA in each chromosome.

And if we do, can we boot up a chromosome?

Let me do that Y chromosome in a separate color.

Chromosome one top left, bottom right are the sex chromosomes.

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The first is test, re test.

This chromosome 3, maybe it contains this trait for hair color.

So someplace on this chromosome, there's a gene for hair straightness.

And in this scenario, I want to imagine that, in one case, the sperm is carrying a Y chromosome, meeting that X chromosome of the egg.

And, finally, test and test it again.

Even though we have two chromatids, one for each chromosome, now we have four chromatids, two for each chromosome, we still say we only have two chromosomes.

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