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- The comparison of genetic material from individuals of regional populations of humans, used to help unravel the origin and migration of modern humans, is known as (a) paleoarchaeology (b) cultural anthropology (c) molecularanthropology (d) cytogenetics (e) genetic dimorphismHow does the amount of Neanderthal DNA in modern humans vary geographically? a. Individuals of European descent have the most Neanderthal DNA. b. The amount of Neanderthal DNA in modern humans is consistent across all populations. c. Individuals of African descent have the most Neanderthal DNA. d. Individuals of East Asian descent have the most Neanderthal DNA.Why are human and chimpanzee DNA 96 percent similar? Please choose the best option.a) Both groups show similarities in their fossil record.b) Humans and chimpanzees share several similar traits such as the use of tools.c) These two species descended from a recent common ancestor.d) Natural selection has favored those particular genes in both humans and chimpanzees.
- Reduced tailbones and the associated remnant muscles in humans are an example of what type of evidence for common descent? (a) artificial selection (b) homologous traits (c) biogeography (d) fossil evidenceThe Evolutionary History and Spread of Our Species (Homo sapiens) a. Briefly describe the two major theories discussed in this chapter about the origin of modern humans. b. Which of these two theories would predict a closer relationship for the various modern human populations? c. Which of the two theories is best supported by the genetic evidence?You are reading a scientific paper regarding the relationships of the anatomical and behavioral characteristics of chimpanzees and their implications for early hominid evolution. With the emphasis on anatomical and behavioral characteristics, this implies that the researchers are relying on A. Traditional classifications of chimpanzees and humans B. Nonevolutionary classifications of chimpanzees and humans C. An incorrect classification of human ancestors D. Cladistic classifications of chimpanzees and humans
- The Multiregionalism model of modern human origins hypothesizes that____. a. some features of archaic Homo are preserved and visible in subsequent populations of modern humans b. the transition to modern humans occurred in the Old World and did not include interbreeding C. gene flow plays an important role in the origins of modern humans d. both a and b e. both a and cWhy are humans so genetically similar within our species? A. Because humans evolved in multiple locations around the world at different times. B. Because humans evolved in one location (Africa) and we have existed as a species for very long time. C. Because humans evolved in one location (Africa) and we haven't existed as a species for very long. D. Humans are not very genetically similar to one another.What is a Homology? A) When an anatomic feature is shared among organisms and their descendants B) When two organisms appear the same C) When convergent evolution produces similar phenotypes
- The human skull and cranium (braincase) have evolved through which of the following Group of answer choices A. taking on the form of unrelated species B. loss of juvenile traits in adults C. reverting to the form of ancestral species D. retention of juvenile traits in adultsWhich of the following conclusions are MOST likely to be supported by genetic evidence? A. Some modern-day organisms did not exist in the past. B. Some organisms found in the fossil record do not currently exist. C. Environmental change affected the fitness of individuals differently based on their traits. D. Some disease-causing traits may remain in a population because their alleles provide an advantage to heterozygotes.Which of these species is most likely to share the greatest percentage of DNA with your human professor? a. Australopithecus afarensis b. Homo erectus c. Australopithecus sediba d. Ardipithecus ramidus