Can someone name me some genetic uses?

Answer 1

Unclear what you are actually looking for.

Genetics can tell us about disease frequencies and tell us about evolution.

Genetics can be used for genetically enhancing organisms such as crop species for more efficient agriculture.

Genetics can be used to produce materials - such as insulin.

Genetics can be used to create models of human diseases in cell culture or in animals.

Genetics can be used to predict whether an unborn child will inherit a disease from its parents.

That's a few to be getting on with, but there are numerous uses.