There are more than 30 blood group genes in humans, in addition to the ABO locus. This increases ________ in human populations.
A. homozygosity
B. founder effects
C. selective mating
D. genetic variability
E. gene flow
Answer: D
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A symbiont could be a(n):
A) commensal. B) opportunist. C) parasite. D) all of the above
The term weather differs from climate because
a. climate includes the barometric pressure, whereas weather does not. b. climate includes the dew point readings, whereas weather does not. c. climate includes both the barometric pressure and dew point readings, whereas weather does not. d. climate represents weather over time.
Uniform dispersion usually results from individuals of a species repelling each other
Indicate whether the statement is true or false.
The statistical study of populations including sex ratio, age structure, and predicting growth rates is called _________.
A. ethology B. demography C. population genetics D. biometrics