Which is an agent that causes a mutation in dna or chromosomes?
nondisjunction
karyotype
mutagen
phenotype

In complete sentences describe the energy flow between the sun, the earth, and space.

Predict the results of a two base insertion or deletion in a strand of dna that codes for a protien, how does this differ from a three base insertion or deletion?

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.