BIOLOGY >PRINT UPGRADE<
11th Edition
ISBN: 9780357091586
Author: Solomon
Publisher: CENGAGE L
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Chapter 22, Problem 18TYU
Summary Introduction
To identify: The geographic source of men carrying the given Y chromosomes is African, Eurasian, Amerindian, and first migrants out of Africa.
Concept introduction: Hominins are the group of all extinct human-like species and showed the unique characteristic of bipedalism. The Homo species’ fossils were discovered in several parts of the world based on which the human migration pattern was studied.
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Chapter 22 Solutions
BIOLOGY >PRINT UPGRADE<
Ch. 22.1 - Describe the structural adaptations that primates...Ch. 22.1 - Prob. 1CCh. 22.1 - Prob. 2CCh. 22.2 - Prob. 2LOCh. 22.2 - Distinguish among anthropoids, hominoids, and...Ch. 22.2 - Prob. 1CCh. 22.2 - Prob. 2CCh. 22.3 - Describe skeletal and skull differences between...Ch. 22.3 - Prob. 5LOCh. 22.3 - Prob. 6LO
Ch. 22.3 - Prob. 7LOCh. 22.3 - Prob. 1CCh. 22.3 - Prob. 2CCh. 22.3 - Prob. 3CCh. 22.3 - Prob. 4CCh. 22.3 - Prob. 5CCh. 22.4 - What are the generally recognized cultural stages...Ch. 22.4 - Prob. 1CCh. 22 - Prob. 1TYUCh. 22 - The anthropoids are more closely related to...Ch. 22 - Prob. 3TYUCh. 22 - Prob. 4TYUCh. 22 - Scientists collectively call humans and their...Ch. 22 - Prob. 6TYUCh. 22 - Some scientists now think that fossils identified...Ch. 22 - Prob. 8TYUCh. 22 - ___________ were an early group of humans with...Ch. 22 - The modern human skull lacks (a) small canines (b)...Ch. 22 - Prob. 11TYUCh. 22 - Prob. 12TYUCh. 22 - If you were evaluating whether other early humans...Ch. 22 - Prob. 14TYUCh. 22 - EVOLUTION LINK What was the common ancestor of...Ch. 22 - Prob. 16TYUCh. 22 - Prob. 17TYUCh. 22 - Prob. 18TYU
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- Neanderthal Hair Color The MCIR gene regulates pigmentation in humans (Sections 14.1 and 15.l revisited), .so loss-of-function mutations in this gene affect hair and .skin color. A person with two mutated alleles for this gene makes more of the reddish melanin than the brownish melanin, resulting in red hair and pa le skin. DNA extracted from two Neanderthal fossils contains a mutated MC1R allele that has not yet been found in humans, To see how the. Neanderthal mutation affects the function of the MC1R gene, Carles Lalueza-Fox and her team introduced the allele into cultured monkey cells (FIGURE 26.1 6). FIGURE 26.16 MC1R activity in monkey cells transgenic for an unmutated MClR gene, the Neanderthal MC1R allele or the gene for green fluorescent protein (GFP). GFP is- not related to MC1R. 2. What does this imply about the mutations effect on Neanderthal hair color?arrow_forwardNeanderthal Hair Color The MCIR gene regulates pigmentation in humans (Sections 14.1 and 15.l revisited), .so loss-of-function mutations in this gene affect hair and .skin color. A person with two mutated alleles for this gene makes more of the reddish melanin than the brownish melanin, resulting in red hair and pa le skin. DNA extracted from two Neanderthal fossils contains a mutated MC1R allele that has not yet been found in humans, To see how the. Neanderthal mutation affects the function of the MC1R gene, Carles Lalueza-Fox and her team introduced the allele into cultured monkey cells (FIGURE 26.1 6). FIGURE 26.16 MC1R activity in monkey cells transgenic for an unmutated MClR gene, the Neanderthal MC1R allele or the gene for green fluorescent protein (GFP). GFP is- not related to MC1R. What purpose do the cells with the gene for green fluorescent protein serve in this experiment?arrow_forwardThrough the Human Genome Project (HGP), a relatively accuratehuman genome sequence was published from combined samplesfrom multiple individuals. It serves as a reference for a haploidgenome. How do results from personal genome projects (PGP)differ from those of the HGP?arrow_forward
- Telomere (ends) Centromere (middle) 2A 2B Chimpanzee Chromosomes Human Chromosome 2 What does the diagram tell us about the evolutionary history of humans and chimpanzees? Select all true statements. O Humans and chimpanzees have a different number of chromosomes and are therefore unrelated. Human chromosome number 2 is a fusion of chimpanzee chromosome 2A and 2B. Human and chimpanzees share a common ancestor. In the evolution of humans, a chromosome was lost.arrow_forwardIt is also note that Chimpanzee has a chromosomal complement of 2N = 48, whereas human has 2N = 46. Interestingly, chromosomal banding patterns have revealed that the chromosome 12 and 13 of chimp show homology with human chromosome 2 (see figure for the alignment of human and chimp banding patterns). This is a good example of chromosomal aberration in evolution. What type of chromosomal rearrangement is likely explained the evolution of human chromosome 2 from the two chromosomes of chimpanzee? A. Translocation B. Duplication C. Inversion D. Deletionarrow_forward1)Ganarles contain one kind of each chromosome because the homologous chromosomes separate during meiosis. True or False? 2)In humans, there are two alleles possible at the chromosome locus that determine blood type. True or False? 3) Mendel was a famous naturalist who developed the concept that lead to the laws of evolution. True or False? 4) Embryonic stem cells come from embryos made for research. True or False? 5) An organisms environment history, in addition to the phenotype, can influence the genotype. True or false? 6) During métodos homólogos chromosome sorteaste and the daughter cells have one copy of each kind of chromosome. True or False? 7) the surtidor include all the pair of chromosome except the X and Y Chromosome. True or False? 8) during DNA replication, the patent DNA molecule unerring and unzips. Then reach old stand serves as a template for a new stand. True or False? 9) mutations due to replication errors and environmental factors are quite common due to the proof…arrow_forward
- Which one of the following options most accurately describes how the ~3000 megabases (Mb; ~3,000,000,000 nucleotides) of the haploid human genome are distributed on chromosomes? The haploid human genome is distributed on autosomes 1-22 and X and Y (so, 24 chromosomes). The haploid human genome is distributed on the homologous pairs of autosomes 1-22 and X and Y (so, 46 chromosomes). The haploid human genome is distributed on a single chromosome (so, 1 chromosome). The haploid human genome is distributed on one pair of homologous chromosomes (so, 2 chromosomes).arrow_forwardAnd see the following question correctly thanksarrow_forwardNeanderthal Hair Color The MC1R gene regulates pigmentation in humans (Sections 14.1 and 15.1 revisited), so loss-of-function mutations in this gene affect hair and skin color. A person with two mutated alleles for this gene makes more of the reddish melanin than the brownish melanin, resulting in red hair and pale skin. DNA extracted from two Neanderthal fossils contains a mutated MC1R allele that has not yet been found in humans. To see how the Neanderthal mutation affects the function of the MC1R gene. Carles Lalueza-Fox and her team introduced the allele into cultured monkey cells (FIGURE 26.16). FIGURE 26.16 MC1R activity in monkey cells transgenic for an unmutated MC1R gene, the Neanderthal MC1R allele, or the gene for green fluorescent protein (GFP). GFP is not related to MC1R. 1. How did MCR1 activity in monkey cells with the mutant allele differ from that in cells with the normal allele?arrow_forward
- Figure 14-17 shows syntenic regions of mouse chromosome 11 and human chromosome 17. What do these syntenic regions reveal about the genome of the last common ancestor of mice and humans?arrow_forwardChimpanzees, gorillas, and orangutans all have 48 chromosomes, whereas humans have 46. Human chromosome 2 is a large, metacentric chromosome with G-banding patterns that closely match those found on two different acrocentric chromosomes of the apes. Which statement would BEST explain these findings? O Infection by a primate virus created a new chromosome when the viral DNA became a permanent part of the genome. Humans were not affected by this virus, so they did not acquire the extra chromosome. O Humans have the correct number of chromosomes. The extra chromosome pair in the other apes is a classic case of tetrasomy as a result of melotic nondisjunction in the primate ancestor. O A nonreciprocal translocation and subsequent fusion of the chromosomal fragments created a genome of 46 chromosomes without the loss of any genetic information. O Meiotic nondisjunction gave rise to a nullisomic gamete. The fusion of two nullisomic gametes produced the ancestor of the human species with 46…arrow_forwardWhat changes, if any, would you predict would occur in the pigmentation of Drosophila melanogaster with increased global warming? What type of genetic changes would you expect to see? Be as specific as you can.arrow_forward
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