Which of the following would be most threatened by habitat fragmentation?
A) songbirds
B) lizards
C) mountain lions
D) antelopes
C
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The Irish potato famine in the 1840's was caused in large part by a proliferation of a(n)
A. Paramecia B. Oomycote C. Dinoflagellate D. Chlorophyte E. Fungus
On a phylogenetic tree for Anthropoidea, the clade that includes ____ and the clade that includes ____ are sister taxa
because they emerged from a common node.
a. chimpanzees; orangutans b. orangutans; humans c. gorillas; chimpanzees d. gorillas; both chimpanzees and humans e. old world monkeys; both chimpanzees and humans
You are a genetic counselor working with a phenotypically normal young couple who have been referred because the wife has a family history of a mitochondrial disorder that results in considerable dysfunction
What is the most important consideration you can suggest? A) to refrain from having children that are hers biologically B) that she be tested to find out what percentage of her mitochondria bear the mutation C) that both husband and wife have mtDNA testing for the sequence in question D) that her affected mother's DNA be tested E) that they consider having only sons
A detectable variation in the genomes of different individuals of a population is known as:
a. DNA sequencing. b. DNA electrophoresis. c. DNA tandem repeats. d. a polymorphism. e. DNA profiling