They're categories of things, of course, but there's only seven of them.

Ethyl methane sulfonate is an alkylating agent and a potent mutagen.

Wouldn't obstruct replication, but it does give rise to an error in replication.

And this can result in genetic typos or mistakes in the DNA replication.

There it comes, these zeroes after zeroes after zeroes.

But anyway, I won't go detailed into that.

That is our poetry. That is our beautiful story.

Cancer occurs when a single cell in your body acquires a set of random mutations in important genes that cause that cell to start to produce more and more and more copies of itself.

Either a mutation of the genetic level

And this is actually how a cancer goes from being harmless, to being deadly.

I believe it can be done.

He is transforming,

It's happening to him. Hicks is transforming.

But suppose then that one of them mutates.

Fat derived stem cells are adult stem cells.

There's some mutations that won't be passed on to your children, and those are the ones that occur in your somatic cells.

We're dealing with an often lethal, always debilitating encephalitic mutation.

Maybe he mutated into a opossum.

The observation that stem cells, as master cells, could give rise to a whole variety of different cell types heart cells, liver cells, pancreatic islet cells captured the attention of the media and the imagination of the public.

So it'll either do nothing or it'll actually kill the organisms most of the time.

Score them again.

Maybe an individual cell's set of instructions, or DNA, gets a typo, what we call a mutation.

So if I start off with a diploid cell, and that's my diploid cell right there, this would be a germ cell.

However, every 20 to 40 years or so the virus undergoes a dramatic mutation.

last several videos, I talked a lot about mutations and what does that do to a species, but think about what happens.

I would expect whatever caused this mutation...

And then this bubbling, this membrane bubbling, is the hallmark of apoptosis in this cell.

And that's shown here in the the very light blue.

So that's the nucleus.

The centrosomes have gone to opposite sides of the cell itself.

So this is my body cells.

This is the whole cell.

If you mean before he turns into a beast,

In its most popular sense, when people talk about mitosis, they're referring to a cell, a diploid cell.

Or we can use both.

The traits that will be passed on or the changes that will be passed on are those that occur in the germ cells.

So certain genes are expressed in certain parts of the body, but every one of your body cells, and we call those somatic cells, and we'll separate those from the sex sells or the germs that we'll talk about later.

And being a geneticist,

Even though he could transform just like Bowman did?

So I've studied a lot about stem cells embryonic stem cells are particularly powerful.

And the cells that have a haploid number of chromosomes are our gametes, which are sperm cells for men, and ova, or egg cells for women.

Light travels through the pupil, through the eyes interior.

Well, it uses sexual reproduction.

less than half the size of a postage stamp.

So, here it is, the moment of conception, egg meets sperm!