Which of the following is NOT true concerning genetic drift?
A. Genetic drift occurs when geographic barriers are broken down and populations can mix.
B. Genetic drift is a random process.
C. Allele fixation can happen in a population experiencing only genetic drift.
D. Genetic drift may cause alleles to disappear completely.
Ans: A. Genetic drift occurs when geographic barriers are broken down and populations can mix.
You might also like to view...
One of the early groups of organisms to evolve is the placozoans. Placozoans have some similar characteristics to fungi. Which of the following is not a characteristic that is shared by fungi and placazoans?
A. upper and lower epithelial layers B. high surface area-to-volume ratio C. gas exchange via diffusion D. extracellular digestion
The term "ligase" adds the suffix "-ase" to the Latin root word for
A. gene. B. cut. C. bind. D. work. E. copy-producing.
Transmembrane proteins can span the lipid bilayer as
a. alpha-helices. b. beta-barrels. c. Both a and b d. None of the above
___________ can produce a mycelium.
a. Bacteria b. Protists c. Plants d. Fungi