Which is the best example of a heterozygous genotype?
A. TT
B. tt
C. TP
D. Tt

Which of the following is an advantage of solar energy?

As a small change in a person's dna can cause a genetic disorder

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?