KO> OMost hominin species, including Homo sapiens, arose in Africa. It is sometimes possible to extractDNA from ancient humans (of our species and closet cousins) for analysis. The oldest homininDNA ever sequenced came from a 400,000-year-old thighbone. Comparisons among ancientremains and population of humans around the world have yielded insights into when and howvarious Homo species migrated out of Africa. The diagram below shows a comparison of DNAsequence from different human groups.position12 345678910 11 12 13 14 15 16 17 18 19 20 21首DinkaGGAC G CTGItalianGT.C TT.GKhoisanGAG TCGTC TT G CP.N. GuineanAGAGYorubaGGATABased on the DNA secshown above, Yoruba people are most closely related to which otherpopulation?O Papua New GuineanO ItalianO Dinka and Khoisan equallyO Dinka456781011Next >囲 The graph below represents the lengths of earthworms in a population collected 10 years apart.Earthworm Length19881998首Length (cm)What can be concluded about the survival and reproduction of earthworms from this graph?O Shorter earthworms have an advantage.O Average-length earthworms have an advantage.O Longer earthworms have an advantage.O Punctuated equilibrium has occurred.346789.10 11 12NextNumber of individuals

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Most hominin species, including Homo sapiens, arose in Africa. It is sometimes possible to extract DNA from ancient humans (of our species and closet cousins) for analysis. The oldest hominin DNA ever sequenced came from a 400,000-year-old thighbone. Comparisons among ancient remains and population of humans around the world have yielded insights into when and how various Homo species migrated out of Africa. The diagram below shows a comparison of DNA sequence from different human groups. position 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Dinka G C G C Italian G - тст G Khoisan G T G T G - T G - A - - TG C - - T P.N. Guinean A - A - тст G Yoruba A Based on the DNA sequence shown above, Yoruba people are most closely related to which other population? Papua New Guinean (GAA GGGAG

Most hominin species, including Homo sapiens, arose in Africa. It is sometimes possible to extract DNA from ancient humans (of our species and closet cousins) for analysis. The oldest hominin DNA ever sequenced came from a 400,000-year-old thighbone. Comparisons among ancient remains and population of humans around the world have yielded insights into when and how various Homo species migrated out of Africa. The diagram below shows a comparison of DNA sequence from different human groups. position 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Dinka G C G C Italian G - тст G Khoisan G T G T G - T G - A - - TG C - - T P.N. Guinean A - A - тст G Yoruba A Based on the DNA sequence shown above, Yoruba people are most closely related to which other population? Papua New Guinean (GAA GGGAG

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter19: Population Genetics And Human Evolution

Section: Chapter Questions

Problem 25QP: Genomics and Human Evolution The Denisovan genome contains sequences that originated from an unknown...

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Genomics and Human Evolution The Denisovan genome contains sequences that originated from an unknown human species. Using Figure 19.11, speculate on which species this might be. Is it possible that there are other ancestral species that may remain to be discovered that would change the phylogeny presented in the figure? FIGURE 19.11 Estimates for the dates of origin and extinction for the three main groups of hominins (green, blue, and orange). The australopithecines split into two groups about 2.7 million years ago. One of those groups, the genus Homo, contains the ancestors to our species, H. sapiens.
The 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?
The Out of Africa hypothesis (also called the African Replacement hypothesis) proposes that Homo sapiens arose in Africa and evolved there for several hundred thousand years. Then, some 85,000 years ago, a small band of Homo sapiens migrated out of Africa and populated the remainder of the world. Based on this hypothesis, what predictions would you make about worldwide human variation in mtDNA?
The hominid evolutionary tree (Figure 20.19) Sahelanthropus tchadensis Orrorin tugenensis Ardipithecus ramidus Ardipithecus kadabba Au. anamensis Au. garhi Au. afarensis Au. africanus P. boisel - Homo Paranthropus = Australopithecus = early hominids = age of fossils - inferred relationships between hominid species -- relationships of major groups R aethiopicus P robustus H. ergaster H. habilis H. floresiensis Hrectus to H. neanderthalensis of hominids H. heidelbergensis H sapiens miocene pliocene pleistocene halocene 7. 5. 1. millions of years ago Figure 20.19 Evolutionary reconstruction of hominids; the human family tree. Age ranges of fossils are shown by red lines, and tan lines represent inferred relationships based on fossil evidence. Major groups are contained within colored boxes. Au. = Australopithecus; P. = Paranthropus; H. = Homo. %3D %3D %3D suggests that the genus Homo evolved a little over 2 million years ago. is reconstructed based on morphology and estimated age of…
Apart from the actual physical evolution of HOMININ, there has also been an evolution in the type and method of food intake of hominins from Ardipithecus to Australopithecus and Paranthropus (so together they are both Australopithecus), to Homo habilis to Homo erectus to Neanderthals and finally to Homo sapiens. Explain this by defining the difference using the groupings I mentioned.
When I first studied hominin evolution, they had found "Lucy", an Australopithecus afarensis, and everyone thought her species was an early ancestor of Homo sapien. The picture is much more complicated, with lots of hominins living in close proximity for millions of years...much different than our now singular species. Look at the phylogenetic tree and use it as a guide to briefly describe hominin lines in Africa up to Homo. Do not discuss Homo.Just discuss a sense that you generally can grasp what was going on in Africa with our Genus for 6 or 7 million years!
Once nuclear DNA sequencing became fast and able to handle sequencing ancient DNA, living humans were found to have some Neanderthal genes. Is this finding clear evidence that some early modern humans did indeed hybridize with Neanderthals? Why?
What are the four trends of hominin mosaic evolution and explain the pattern of human evolution considered in reference to these trends. Explain each.
Nearly 4 million years ago, two or three hominins left their footprints across the savanna of modern day Tanzania, clear evidence that… Group of answer choices A-hominins were quadrupedal 4 million years ago, prior to the adaptation of walking on two feet B-the Hominins that left the footprint impressions habitually walked bipedally C-members of the evolutionary lineage that include our own species are capable of running at speeds of nearly 35 miles per hour D-Australopithecus afarensis males weighed between 150 – 190 pounds E-volcanic activity along the Kilombero fault line caused a mass extinction event around 4 million years ago
If phenotype is a proxy for genotype, then why do you think that paleoanthropologists erroneously designated Neandertalensis as a separate species prior to the accessibility of DNA analysis? What were they comparing them to when they were lumping or splitting fossils taxonomically and why would these reference populations provide the bias resulting in such a confounding factor in their assessments?
create a phylogeny of human evolution. It should include all known hominids beginning with the earliest and ending with modern Homo sapiens. In your version of a future, humans will create a phylogeny of human evolution. It should include all known hominids beginning with the earliest and ending with modern Homo sapiens and your version of a future human. The requirement is to put the genus and species name of the hominid, beginning with the earliest one, which is Sehelanthropus tchadensis, in the phylogeny along with its dating age.
Linear evolution suggests that there is a ladder, or step- progression, to evolution over time one species building and transitioning into another species. A bushy interpretation of evolution suggests multiple overlapping species of hominins, with some species short-lived, and others existing for a long period of time. What type of evolutionary model does A. sediba support? Explain your answer.