Gene Pool...…. Please I need an answer as soon as possible

Describe:

Why do mutations in genes affect traits? o a. genes determine what type of mutagens an organism has. o b. genes produce proteins that cause traits. o c. genes affect how many chromosomes an organism has o d. genes code for carbohydrates that influence traits.

Does mitochondria still meet the definition of a eukaryote why or why not?

How do you date a sample of rock that you suspect as being one of the earliest on earth