How is mitochondrial dna used as evidence for human evolution

Why is it incorrect to say that mitochondria function only as energy factories with cell

What evidence did mendel find that supported his law of independent assortment? a. some traits are controlled by several different genes. b. a trait can be passed on from a parent to an offspring. c. most traits have a dominant form and a recessive form. d. different traits are passed on independently of each other.

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups