Genetic analyses indicate that the first human ancestors likely originated:
a. 10 to 15 million years ago
b. 7 to 10 million years ago
c. 5 to 8 million years ago
d. 2 to 5 million years ago
c
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Berlin and Kay's study of color terminology (1969/1992) revealed that
A. women tend to use more color terms and men tend to use fewer color terms. B. color terminology was least developed in areas with a history of using dyes and artificial coloring. C. all languages include sixteen basic color terms. D. the languages of cultivators in Papua New Guinea and foragers in Australia had more basic color terms than did European and Asian languages. E. there are only two basic color terms, black and white.
Chance fluctuations of allele frequencies in the gene pool of a population are evidences of:
a. genetic drift b. gene flow c. mutation d. directional selection
The language centers of the human brain develop in the first three years of life
a. True b. False Indicate whether the statement is true or false
Which of the following statements about individuals with the HbS allele in the homozygous form is true?
A. They lack the capacity to digest lactose. B. They usually develop fatal cases of sickle-cell anemia. C. They rarely develop any form of sickle-cell anemia before reaching reproductive age. D. They are usually found in temperate regions of the world. E. They always develop fatal cases of sickle-cell anemia late in life.