_____________ is a change in the DNA sequence of a gene.
A. Natural selection
B. Mutation
C. Genetic drift
D. Gene flow
B. Mutation
You might also like to view...
Which ethical dilemma may arise from the application of pharmagogenomics?
a. The use of embryonic stem cells for gene therapy. b. The discovery of a gene that predicts an unfavorable drug response in an individual, for whom there are no alternative treatments available. c. The use of vaccination to prevent diseases. d. The use of blood transfusions to treat diseases. e. The introduction of foreign genes to restore loss of vital gene function in a patient with an infectious disease.
When cells take on specific structure and function, this is called
A. morphogenesis. B. growth. C. cleavage. D. differentiation. E. fertilization.
What happens to the ovary after fertilization in angiosperms?
A. It becomes the fruit. B. It forms the seed coat. C. It becomes food for the embryo inside the seed. D. It dies.
Gel electrophoresis sorts DNA molecules on the basis of their
A) nucleotide sequence. B) ability to bind to mRNA. C) solubility in the gel. D) size.