Is it possible to be a "carrier" for Huntington's Disease (someone who will never develop the disorder but capable of passing the allele to ones offspring)?
a. Yes
b. No
b
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Which of the following indicates the distance, in nucleotides, between genes and genetic markers?
a. physical map b. model organism c. genome sequence d. genetic map
A(n) ________ is a latent form of a virus genome that remains within the host without destroying it.
Fill in the blank(s) with the appropriate word(s).
Courtship for Anolis lizards involves the male displaying a dewlap (skin under the throat area) that varies in appearance based upon the species. Lizards that are found in darker, more shaded environments will have dewlaps that are lighter in color because they are more noticeable by potential mates. Which of the following mechanisms best explains how speciation is at work in this example?
A. Genetic drift B. Postzygotic isolation C. Natural selection D. Reinforcement
Prosthecate bacteria form
a. stalks. b. hyphae. c. appendages. d. stalks, hyphae, and/or appendages.