Which of the following is unique to humans?
a. puberty
b. gestation
c. the adolescent growth spurt
d. altricial offspring
Answer c
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The example of "Underwater Archaeology" examined:
a. prehistoric fish. b. ancient trade routes. c. an ancient Turkish city. d. lost treasure. e. long forgotten naval battles.
The genetic evidence for modern H. sapiens supports that:
a. there has been genetic blending over time between various hominid types. b. anatomically modern humans emerged from Africa over 200,000 years ago. c. anatomically modern humans first emerged in Asia and then re-migrated to Africa and Europe. d. various species of human coexisted for more than 100,000 years and did not interbreed at all. e. there is no continuity between any two human species, and there is no way to track human origins through thegene pool.
After mitosis, daughter cells contain the same amount of DNA as in the original cell. This is due to
a. protein synthesis. b. recombination. c. pairing of homologous chromosomes. d. meiosis. e. DNA replication.
Genetic traits that occur as a continuum in a population are likely to be due to __________
a. X-linked disorders b. polygenic inheritance c. single gene effects d. environmental exposure