1. The vector used to transmit a gene segment is a .

a) velocity

b) virus

2. The primary beneficial purpose of gene is to treat specific diseases.

a) therapy

b) splicing

3. Scientists use restriction to "clip" DNA for use in gene therapy.

a) cutters

b) enzymes

Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.

Environmental science are unconsidered with methods to preserve natural resourcesa.trueb.false

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria