Scientists have been tracking the distribution of genetic variations within an elephant population over a period of 15 years. These variations alone can be used as evidence of different cognitive abilities.

different reproductive success.

different environmental factors.

different stress-related issues.

What are genotypes? what are phenotypes?

How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes

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.