Cell Differentiation

Each type of cell in your body is different.What makes your cells different?

In each cell, different genes have been activated.When genes are activated, this means that the

genes are being “expressed”.Each different cell is expressing a different set of

genes.

It used to be thought that your genes were yourdestiny, but now we know that environmentalfactors can influence gene expression.

Some examples:Gender influence in balding

Chemicals in environmentThalidamide

Use of alcohol and other illegal substances canpermanently change your DNA, leading toconsequences for your offspring.

Tempurature in environmentHimalayan rabbits