In order to learn about the relationships among populations, we would need to examine the variation in DNA caused simply by ________.
A. mutation
B. natural selection
C. genetic drift
D. geography
Answer: A. mutation
Biology & Microbiology
You might also like to view...
Immune tolerance of some self antigens need only be maintained in the T cell population because certain B cells can't become activated without the help of T cells.
Answer the following statement true (T) or false (F)
Biology & Microbiology
Fertilization is indicated by
a. A. b. B. c. C. d. D. e. E.
Biology & Microbiology
In the male, the primary target of FSH is
A) the prostate gland. B) seminal vesicles. C) Sertoli cells. D) bulbourethral glands. E) interstitial cells.
Biology & Microbiology
Sulfur has an atomic number of 16 and a mass number of 32. How many electrons are needed to complete the valence shell of a sulfur atom?
A) 0 B) 1 C) 2 D) 6 E) 8
Biology & Microbiology