In genetic engineering A
scientists add or change the genes on a chromosome.

B
natural selection is used to determine which traits to keep or eliminate.

C
dominant and recessive genes are mixed together randomly.

D
mitosis divides a cell into two equal parts.

How will technology impact medicine in the future?

Which measure of an earthquake depends on how close you are to the focus?

Select the correct answer. which statement applies only to the axial skeleton, not the appendicular skeleton? a. it contains a pivot joint. b. it has muscles attached that work in pairs. c. it contains red bone marrow. d. it possesses fossa for bone articulation. e. it protects the heart and lungs.