Please help me! 25 Points!

Ineed the definitions of all of these words nasap i will give 1o points to whoever awnsers

Involving transcription and translaton. explain the causes and effects of damage to the genetic code.

Which of the following can occur to two segments of a population if they are geographically isolated 1.) they can only share some types of genes 2.)both groups most likely become extinct 3.)they find a way to come back together 4.)eventually they become separate species