Why do you think prokaryote, eukaryote, and karyotype all contain the same root word?

Question

The root word is karyo.

Answer 1

Because they are all describing something related to the concept of a nucleus and the scientific terms are all based on the Greek word karyon (meaning a nut) which thought to be descriptive of the appearance of the nucleus.

Answer 2

Karyo = of or to do with the nucleus