Which of the following genotypes would be considered homozygous recessive?
A) AA B) BB C) AaBb D) aa E) AABB
D
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All humans were foragers until approximately
A. 12,000 years ago. B. 1,000 years ago. C. 10 million years ago. D. 100,000 years ago. E. 1 million years ago.
Relative dating techniques
a. can provide exact dates of fossil material. b. are always accurate to within 750 years. c. were used to date the Zinjanthropus cranium to 2.8 million years ago. d. include stratigraphy. e. include carbon 14 dating.
In societies where dead ancestors are considered fully functioning members of the descent group, an especially effective means of social control may be
a. socialization. b. ancestor worship. c. public opinion. d. witchcraft. e. degradation ceremonies.
A total station
a. is accurate to +/- 3 millimeters. b. is easily affordable by students and professionals alike. c. is roughly the same in terms of accuracy as a line level and a measuring tape. d. is more accurate than a half station e. is time consuming because it must rely upon constant input from workers to locate itself on the grid system and direction it is pointing.