Anth 450 Modern Human Biological Variation
Dr. Darlene Applegate
Fall 2007
Answers to Practice
Questions for Final Exam
1. Genetic distances are
calculated based on
of several
populations.
A. genotype frequencies
B.
allele frequencies
C. gene frequencies
D. phenotype frequencies
E. Any of these
frequencies may be used.
2. Which of the following is(are) an allele(s) found
almost exclusively among Native Americans and populations in the
area(s) from which Native Americans likely derived?
A. S
B. A1, A2
C.
Dia
D. N
E. Ka, Kb
3. What is the minimum allele frequency (of the least
common allele) required for a trait to be considered polymorphic?
A. 0.001
B. 0.005
C.
0.01
D. 0.05
E. 0.1
4. The O allele is the most common among all humans
for the ABO gene locus. What is the allele frequency range for O?
A. 0.20 to 0.38
B. 0.60 to 0.90
C. 0.55 to 0.80
D.
0.40 to 1.00
E. 0.63 to 0.75
5. All of the following are polygenic traits in
humans except
A. body form.
B. nose shape.
C. skin pigmentation.
D. facial shape.
E.
tongue rolling.
6. Regarding adaptation,
A. physiological,
genetic, and developmental adaptations are irreversible.
B.
physiological,
genetic, and developmental adaptations are biologically based.
C. behavioral and
sociological adaptations are culturally based.
D. physiological,
developmental, and behavioral adaptations operate on the group level.
E. All of these are
correct.
7. True or False:
Genetic distances are represented
using matrices, dendrograms, scatter plots, and regression
formulas.
8. True or False: A haplogroup haplotype,
which is used in population
studies, is a set of alleles from linked gene loci that are inherited
as a unit from one parent.
9.
True or False: Many disease-causing pathogens resemble
A-B-O antigens and, in persons with the appropriate blood types, are
not recognized as foreign substances to which the immune system should
respond.
10.
True or
False: Physiological adaptations
to heat stress are vasodilation and sweating, while physiological
adaptations to cold stress are vasoconstriction, shivering, insulation,
and increased basal metabolic rate.
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