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Exam 16: Human Ancestry

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Question 1

Multiple Choice

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The definition of an indigenous people is a group that

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.

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Question 2

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Haplogroups consist of

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.

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Question 3

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

The most recent known habitat of Neanderthals was

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

Fossil evidence indicates that Homo sapiens idaltu most closely resembled

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.

A complication of molecular clock studies is that

DNA hybridization experiments estimate species relatedness by determining

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?

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

The major genetic distinction between humans and chimps is

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

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

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

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

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

All of the following are classified as Homo except

Contemporary humans probably arose from which of these?

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