In the past, typhus and other diseases were more common in cities because

Differentiation of cells changes the nucleic information. true false

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

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.