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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) | simple traits and genotype |
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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 | |
Nuclear DNA |
| | A) | composes most of our DNA |
| | B) | is inherited from both parents |
| | C) | is subject to recombination |
| | D) | all of these |
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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 these |
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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%, 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 | |
Microsatellite DNA consists of |
| | A) | repeated short sections of DNA (2-5 bases) |
| | B) | long strings of DNA (100-225 bases) |
| | C) | mitochondrial DNA |
| | D) | short strings of DNA that have replicated and moved to different locations on different chromosomes |
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| 16 | |
Anthropometrics is |
| | A) | the study of skin color in humans |
| | B) | measurements of the human body, skull, and face |
| | C) | measurements of the size of human teeth |
| | D) | the study of human finger and palm prints |
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| 17 | |
Biological race can be determined by careful analysis of |
| | A) | geographic distribution of alleles |
| | B) | inherited traits |
| | C) | phenotypes |
| | D) | none of these |
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| 18 | |
Populations with the smallest genetic distance are |
| | A) | the most similar to each other |
| | B) | the most different from each other |
| | C) | the closest geographically |
| | D) | found only in non-human primates |
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| 19 | |
Genetic drift increases when |
| | A) | gene flow between populations increases |
| | B) | population size increases |
| | C) | population size decreases |
| | D) | none of these |
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| 20 | |
Genetic variation studies in the human species fail to produce results consistent with the race concept because |
| | A) | geographic differences between human groups have no clear boundaries |
| | B) | studies show more variation with local human populations |
| | C) | race is a crude means to describe patterns of human variation |
| | D) | all of these |
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