Please select the best answer for each question.
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1 | |
Simple biochemical traits refer to genotypic characteristics such as |
| | A) | geographic distribution and skin color |
| | B) | height and weight |
| | C) | blood type and DNA sequences |
| | D) | blood type and skin color |
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2 | |
Type A blood clumps when exposed to _________ antibodies, but not when exposed to ____________ antibodies. |
| | A) | anti-A, anti-B |
| | B) | anti-B, anti-A |
| | C) | anti-A, anti-O |
| | D) | anti-B, anti-O |
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3 | |
Sequences of DNA that have replicated and moved to different locations on different chromosomes are known as |
| | A) | microsatellite DNA |
| | B) | Alu insertions |
| | C) | antibodies |
| | D) | antigens |
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4 | |
The comparison of DNA sequences across populations to determine the “mismatch” helps identify |
| | A) | blood type |
| | B) | environmental factors |
| | C) | a genetic profile for a population |
| | D) | genetic similarity between populations |
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5 | |
Mitochondrial DNA is inherited |
| | A) | only from the father |
| | B) | only from the mother |
| | C) | only by males |
| | D) | only by females |
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6 | |
Skin color tests, odontometrics, and dermatoglyphics are all measurements of |
| | A) | complex traits |
| | B) | simple traits |
| | C) | genotype |
| | D) | b and c only |
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7 | |
How many human races are there? |
| | A) | 3 |
| | B) | 4 |
| | C) | 9 |
| | D) | the concept of race is arbitrary when applied to humans |
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8 | |
Height and skin color are both ___________ variables. |
| | A) | discontinuous |
| | B) | continuous |
| | C) | racial |
| | D) | related |
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9 | |
The epicanthic eyefold |
| | A) | is a useful trait to separate races |
| | B) | is only found in Asian populations |
| | C) | is only found in African populations |
| | D) | does not separate Africans and Europeans |
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10 | |
Which trait is a good marker to classify people into races? |
| | A) | sickle cell allele |
| | B) | lactase deficiency |
| | C) | head shape |
| | D) | none of the above |
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11 | |
Studies of genetic patterns show that _______% of our species’ variation is between geographic regions (or racial groupings) and _______% of our species’ variation is within these regions. |
| | A) | 10-12%, 88-90% |
| | B) | 80-90%, 1-2% |
| | C) | 50%, 50% |
| | D) | 100%, 0% |
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12 | |
Natural selection, genetic drift, and gene flow are expected to affect genetic material differently. Which answer best describes the difference? |
| | A) | natural selection affects all loci to the same degree |
| | B) | genetic drift and gene flow affect all loci to the same degree |
| | C) | natural selection and genetic drift affect all loci to the same degree |
| | D) | natural selection and gene flow affect all loci to the same degree |
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13 | |
A genetic distance map shows |
| | A) | locations of alleles on a chromosome |
| | B) | DNA sequences |
| | C) | geographic distance between groups |
| | D) | genetic relationships between groups |
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14 | |
Gene flow is often caused by |
| | A) | human migration |
| | B) | geographic isolation |
| | C) | population size |
| | D) | adaptive traits |
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15 | |
Methods to study natural selection involve |
| | A) | genetic associations |
| | B) | demographic measures |
| | C) | environmental correspondence |
| | D) | all of the above |
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