Restriction enzymes are

A) bacterial enzymes that splice DNA.
B) bacterial enzymes that destroy phage DNA.
C) animal enzymes that splice RNA.
D) viral enzymes that destroy host DNA.


B

Biology & Microbiology

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Because of the _____________________, traits carried by early settlers are found in a large fraction of the descendent population

Fill in the blank(s) with correct word

Biology & Microbiology

Cleft palate is ____

a. controlled only by genetics b. a continuously distributed trait c. controlled by a single gene pair d. only transmitted from father to son e. explained by the threshold model of complex t

Biology & Microbiology

A yellow jacket, an insect in the order Hymenoptera, stung me. A wasp, an insect in Hymenoptera, stung me. A hornet, an insect in Hymenoptera, stung me. I see a pattern. All insects in this order must have stingers. What type of reasoning does this represent?

A. deductive reasoning B. inductive reasoning C. reductionism D. comparative reasoning

Biology & Microbiology

Which of the following is incorrectly paired?

A) sexual selection: mating based on phenotype B) bottleneck effect: changes in allele frequencies due to chance events C) gene flow: genes move from one population to another D) founder effect: only a small portion of an original population's gene pool are represented

Biology & Microbiology