41. According to studies that have examined the variation between and within hum

Question

41. According to studies that have examined the variation between and within human races,

a. Most of the variation is within continental races     b. Most of the variation is between continental races

c. The variation is equal between and within races     d. Human vary genetically more than most species

42. Human migration studies typically use mitochondrial DNA and Y chromosomal DNA for all of the following reasons exept,

a. DNA from these sources does not recombine    b. This type of DNA only follows one parent’s side

c. There is a much smaller amount of DNA              d. This DNA is never repaired, so mutations are more common

43. Genomic evidence is very clear now that Homo sapiens

    a. Left Africa as Homo erectus and evolved further in Europe into Homo sapiens

    b. Evolved into modern humans prior to migrating from Africa

    c. Emmigrated from Africa as Homo heidelbergensis, then radiated into at least five species in Europe and Asia

    d. Left Africa as Homo neanderthalensis, then evolved into Homo sapiens after returning to Africa

44. The use of mtDNA in migration studies shows strictly a

      a. paternal lineage     b. mixed family lineage    c. maternal lineage    d. father to daughter lineage

45. Nearly all genetic studies of Humans and Neanderthals have led to the conclusion that

    a. Both Humans and Neanderthals evolved from the same common ancestor

    b. Neanderthals evolved directly from Humans but then died out in Europe

    c. Humans evolved from Neanderthals and then humans out competed them in Europe and Asia

    d. Neanderthals and humans are very distantly related and their common ancestor is unknown

Explanation / Answer

44. The use of mtDNA in migration studies shows strictly a a. paternal lineage
45. Nearly all genetic studies of Humans and Neanderthals have led to the conclusion that a. Both Humans and Neanderthals evolved from the same common ancestor

43. Genomic evidence is very clear now that Homo sapiens  a. Left Africa as Homo erectus (Homo ergaster may have been the first human species to leave Africa )

2. Human migration studies typically use mitochondrial DNA and Y chromosomal DNA for all of the following reasons exept, d. This DNA is never repaired, so mutations are more common

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