Which of the following is not an assumption of the Hardy-Weinberg law?
1.The population is very large
2.Heterozygotes are better than homozygotes
3.Mating is random
4.Mutation and migration are absent
5.No genotype is better than any other
2
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The rate at which evolution is occurring cannot be estimated by:
A. studying comparative anatomy. B. inferring that apes are related to humans. C. measuring the degree of difference in genetic coding. D. interpretation of the fossil record.
Pathogenic strains of Escherichia coli usually express
A) capsules. B) colonization factor antigens (CFA). C) plaques. D) slime layers.
When a student manipulates a system under study, he or she is collecting ____
a. factual data b. analytical data c. experimental data d. empirical data e. observational data
Answer the following questions true (T) or false (F)
1. Most hominin evolution took place in south Africa and Australia. 2. A paleoanthropologist studies the development of ancient human culture. 3. The closest living primate relative to humans is the gorilla.