Question 1

The definition of an indigenous people is a group that

Accepted Answer

A)  is the oldest in its geographical area and has retained its culture. 
B)  has a genetic disease that is rare in other groups. 
C)  has most recently come into a geographical area. 
D)  has been the target of discrimination. 
E)  has assimilated into a region different from its place of origin. 
A)  is the oldest in its geographical area and has retained its culture. 
B)  has a genetic disease that is rare in other groups. 
C)  has most recently come into a geographical area. 
D)  has been the target of discrimination. 
E)  has assimilated into a region different from its place of origin. A

Question 2

Contemporary humans probably arose from which of these?

Accepted Answer

A)  Neanderthals 
B)  Shanidars 
C)  Aegytopithecus sapiens 
D)  Cro-Magnons 
E)  Aegytopithecus 
A)  Neanderthals 
B)  Shanidars 
C)  Aegytopithecus sapiens 
D)  Cro-Magnons 
E)  Aegytopithecus D

Question 3

Fossil evidence indicates that Homo sapiens idaltu most closely resembled

Accepted Answer

A)  an australopithecine. 
B)  an Australian aborigine. 
C)  a gibbon. 
D)  a pygmy. 
E)  Dryopithecus. 
A)  an australopithecine. 
B)  an Australian aborigine. 
C)  a gibbon. 
D)  a pygmy. 
E)  Dryopithecus. B

Question 4

Haplogroups consist of

Accepted Answer

A)  sets of species that share a recent ancestor. 
B)  the set of Y chromosomes in a population. 
C)  groups of SNPs that are linked on a chromosome. 
D)  preserved gametes, which are haploid. 
E)  all of the homeotic genes in a genome. 
A)  sets of species that share a recent ancestor. 
B)  the set of Y chromosomes in a population. 
C)  groups of SNPs that are linked on a chromosome. 
D)  preserved gametes, which are haploid. 
E)  all of the homeotic genes in a genome.

Question 5

Adam was certain that he had Native American ancestors,based on tales that his grandfather told of the family history.He is disappointed when he takes a genetic ancestry test by sending a saliva sample to a testing company,because it does not confirm what he believed to be true.Adam may actually indeed have Native American ancestors because

Accepted Answer

A)  DNA ancestry tests must be performed on blood to be accurate. 
B)  DNA ancestry tests only work on females, because only they have mtDNA. 
C)  the DNA sequences identified in ancestry tests do not reflect input from all lineages. 
D)  the testing labs do not test for Native American Y chromosome sequences. 
E)  there are no DNA sequences that are unique to Native Americans. 
A)  DNA ancestry tests must be performed on blood to be accurate. 
B)  DNA ancestry tests only work on females, because only they have mtDNA. 
C)  the DNA sequences identified in ancestry tests do not reflect input from all lineages. 
D)  the testing labs do not test for Native American Y chromosome sequences. 
E)  there are no DNA sequences that are unique to Native Americans.

Question 6

The type of hominid mentioned in section 16.1 who was most likely to include mitochondrial Eve is

Accepted Answer

A)  Neanderthals. 
B)  Australopithecus afarensis. 
C)  Dryopithecus. 
D)  Homo habilis. 
E)  Homo sapiens idaltu. 
A)  Neanderthals. 
B)  Australopithecus afarensis. 
C)  Dryopithecus. 
D)  Homo habilis. 
E)  Homo sapiens idaltu.

Question 7

The major genetic distinction between humans and chimps is

Accepted Answer

A)  the DNA sequence. 
B)  the number of indels. 
C)  gene expression patterns. 
D)  the number of introns. 
E)  dietary effects on the genome. 
A)  the DNA sequence. 
B)  the number of indels. 
C)  gene expression patterns. 
D)  the number of introns. 
E)  dietary effects on the genome.

Question 8

About 4 million years ago,_______ left the African forest to dwell in the grasslands.

Accepted Answer

A)  Dryopithecus 
B)  Aegyptopithecus 
C)  Australopithecus 
D)  Propliopithecus 
E)  Aegytopithecus 
A)  Dryopithecus 
B)  Aegyptopithecus 
C)  Australopithecus 
D)  Propliopithecus 
E)  Aegytopithecus

Question 9

Recently,fossils of a new species,called _______,were discovered in Indonesia.They were smaller than modern humans,had a small brain,but appeared to use tools.

Accepted Answer

A)  Homo habilis 
B)  Homo erectus 
C)  Homo afarensis 
D)  Homo sapiens 
E)  Homo floresiensis 
A)  Homo habilis 
B)  Homo erectus 
C)  Homo afarensis 
D)  Homo sapiens 
E)  Homo floresiensis

Question 10

The most recent known habitat of Neanderthals was

Accepted Answer

A)  New Jersey. 
B)  South Africa. 
C)  Gibraltar. 
D)  Vancouver. 
E)  Sardinia. 
A)  New Jersey. 
B)  South Africa. 
C)  Gibraltar. 
D)  Vancouver. 
E)  Sardinia.

Question 11

A complication of molecular clock studies is that

Accepted Answer

A)  DNA and proteins appeared in life at about the same time. 
B)  genes mutate at different rates. 
C)  DNA is not often preserved in fossils. 
D)  some species are more highly evolved than others. 
E)  some primate species do not have a Y chromosome. 
A)  DNA and proteins appeared in life at about the same time. 
B)  genes mutate at different rates. 
C)  DNA is not often preserved in fossils. 
D)  some species are more highly evolved than others. 
E)  some primate species do not have a Y chromosome.

Question 12

The fact that Hox genes of very similar sequence are found in bacteria,flowering plants,insects,birds,amphibians,and mammals indicates that these genes are

Accepted Answer

A)  lowly conserved. 
B)  variably expressive. 
C)  highly pleiotropic. 
D)  highly conserved. 
E)  highly eclectic. 
A)  lowly conserved. 
B)  variably expressive. 
C)  highly pleiotropic. 
D)  highly conserved. 
E)  highly eclectic.

Question 13

Which of these is in the correct order,from oldest to most recent?

Accepted Answer

A)  Australopithecus garhi, Aegyptopithecus, Homo floresiensis, Cro-Magnon 
B)  Homo sapiens, Ardipithecus kadabba, Sahelanthropus tchadensis, Dryopithecus 
C)  Australopithecus garhi, Sahelanthropus tchadensis, Dryopithecus 
D)  Australopithecus garhi, Homo erectus, Cro-Magnon, Homo sapiens 
E)  Australopithecus garhi, Homo erectus, Homo floresiensis, Aegyptopithecus 
A)  Australopithecus garhi, Aegyptopithecus, Homo floresiensis, Cro-Magnon 
B)  Homo sapiens, Ardipithecus kadabba, Sahelanthropus tchadensis, Dryopithecus 
C)  Australopithecus garhi, Sahelanthropus tchadensis, Dryopithecus 
D)  Australopithecus garhi, Homo erectus, Cro-Magnon, Homo sapiens 
E)  Australopithecus garhi, Homo erectus, Homo floresiensis, Aegyptopithecus

Question 14

DNA hybridization experiments estimate species relatedness by determining

Accepted Answer

A)  how many chromosomes from each species bind a particular DNA probe. 
B)  how many hybrids form when DNA from the species is combined. 
C)  how many amino acids the same gene encodes in both species. 
D)  how quickly denatured DNA from each species forms a mixed double helix. 
E)  the number of mitochondria per oocyte. 
A)  how many chromosomes from each species bind a particular DNA probe. 
B)  how many hybrids form when DNA from the species is combined. 
C)  how many amino acids the same gene encodes in both species. 
D)  how quickly denatured DNA from each species forms a mixed double helix. 
E)  the number of mitochondria per oocyte.

Question 15

The first primates with an angled skull base that were probably able to make a wide range of sounds to aid speech were

Accepted Answer

A)  Homo habilis. 
B)  Homo erectus. 
C)  Homo afarensis. 
D)  Homo sapiens. 
E)  Aegytopithecus. 
A)  Homo habilis. 
B)  Homo erectus. 
C)  Homo afarensis. 
D)  Homo sapiens. 
E)  Aegytopithecus.

Question 16

All of the following are classified as Homo except

Accepted Answer

A)  Neanderthals. 
B)  Cro-Magnons. 
C)  modern humans. 
D)  Orrorin tugenensis. 
E)  Otzi. 
A)  Neanderthals. 
B)  Cro-Magnons. 
C)  modern humans. 
D)  Orrorin tugenensis. 
E)  Otzi.

Question 17

A study of certain nuclear genes in humans and chimpanzees shows that the two species differ in 5 percent of their DNA bases.Base substitution mutations occur at a rate of 1 percent per one million years.How many million years ago did these species diverge?

Accepted Answer

A)  0.5 
B)  1 
C)  3 
D)  5 
E)  300 
A)  0.5 
B)  1 
C)  3 
D)  5 
E)  300

Question 18

A major way that the human genome differs from the genomes of other primates is that

Accepted Answer

A)  the human genome has many deletions compared to the other primate genomes. 
B)  the human genome has many duplicated regions compared to the other primate genomes. 
C)  the human genome has many more C and T bases in its genes than the other genomes. 
D)  human proteins are much larger than their counterparts in the other primate species. 
E)  the human genome does not have as many introns as the other primate genomes. 
A)  the human genome has many deletions compared to the other primate genomes. 
B)  the human genome has many duplicated regions compared to the other primate genomes. 
C)  the human genome has many more C and T bases in its genes than the other genomes. 
D)  human proteins are much larger than their counterparts in the other primate species. 
E)  the human genome does not have as many introns as the other primate genomes.

Question 19

In the evolutionary history of the earth,Homo sapiens probably appeared approximately _______ years ago.

Accepted Answer

A)  2,000 
B)  20,000 
C)  200,000 
D)  2,000,000 
E)  16,000 
A)  2,000 
B)  20,000 
C)  200,000 
D)  2,000,000 
E)  16,000

Question 20

Hominins lived from 19 to 4 million years ago and were ancestral to

Accepted Answer

A)  humans only. 
B)  humans and apes. 
C)  humans, apes and gibbons. 
D)  apes and gibbons. 
E)  Aegytopithecus. 
A)  humans only. 
B)  humans and apes. 
C)  humans, apes and gibbons. 
D)  apes and gibbons. 
E)  Aegytopithecus.

Exam 16: Human Ancestry

The definition of an indigenous people is a group that

Contemporary humans probably arose from which of these?

Fossil evidence indicates that Homo sapiens idaltu most closely resembled

Haplogroups consist of

The type of hominid mentioned in section 16.1 who was most likely to include mitochondrial Eve is

The major genetic distinction between humans and chimps is

About 4 million years ago,_______ left the African forest to dwell in the grasslands.

Recently,fossils of a new species,called _______,were discovered in Indonesia.They were smaller than modern humans,had a small brain,but appeared to use tools.

The most recent known habitat of Neanderthals was

A complication of molecular clock studies is that

The fact that Hox genes of very similar sequence are found in bacteria,flowering plants,insects,birds,amphibians,and mammals indicates that these genes are

Which of these is in the correct order,from oldest to most recent?

DNA hybridization experiments estimate species relatedness by determining

The first primates with an angled skull base that were probably able to make a wide range of sounds to aid speech were

All of the following are classified as Homo except

A study of certain nuclear genes in humans and chimpanzees shows that the two species differ in 5 percent of their DNA bases.Base substitution mutations occur at a rate of 1 percent per one million years.How many million years ago did these species diverge?

A major way that the human genome differs from the genomes of other primates is that

In the evolutionary history of the earth,Homo sapiens probably appeared approximately _______ years ago.

Hominins lived from 19 to 4 million years ago and were ancestral to

Overview of Genetics

Cells

Meiosis and Development

Single-Gene Inheritance

Beyond Mendels Law

Matters of Sex

Multifactorial Traits

Genetics of Behavior

DNA Structure and Replication

Gene Action: From Dna to Protein

Gene Expression and Epigenetics

Gene Mutation

Chromosomes

Constant Allele Frequencies

Changing Allele Frequencies

Genetics of Immunity

Genetics of Cancer

Genetic Technologies: Amplifying, Modifying, and Monitoring DNA

Genetic Testing and Treatment

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