The immediate ancestors of the genus Homo belonged to which genus?
a. Pan
b. Pongo
c. Ardipithecus
d. Sahelanthropus
e. Australopithecus
e
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The ability of bacteria to transfer DNA from one individual to another in the same generation is called ________
a. vertical gene transfer b. mitosis c. meiosis d. horizontal gene transfer e. binary fission
Why might some women bodybuilders who are taking illegal steroids (testosterone-like compounds) be in greater danger of going bald than other women?
What will be an ideal response?
The Xer site-specific recombination system
a. is needed to allow segregation of nonrecombined daughter chromosomes. b. is inactive during the process of bacterial cell division. c. generates a single dimeric molecule. d. is needed to resolve the product of a general recombination between copies of the bacterial chromosome. e. is required to correct mutations generated during DNA replication.
The long snout of the giant anteater, Myrmecophaga tridactyla, of South America, and the echidna, Tachyglossus aculeatus, of Australia, are animals of different evolutionary lineages that are both adapted to eating ants. This is an example of
A. Both analogous traits and artificial selection are correct. B. anatomical homology. C. selective breeding. D. artificial selection. E. analogous traits.