Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 26, Problem 13SQ
Modem people native to __________ have a higher degree of genetic diversity than people native to other regions.
- a. Europe
- b. Asia
- c. Africa
- d. North America
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Students have asked these similar questions
A. Explain which force of evolution is seen here by a hybrid bird landing on an island that is not its home and breeding with the indigenous population.
B. Explain which force of evolution randomly chooses an individual from a larger gene pool to form a new, smaller population with less genetic variety.
Why 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.
Genetic drift can be defined as
Group of answer choices
A. accidental changes in DNA structure
b.how lazy loci evolve
c. random change in allele frequency over time
D. differences in fitness between alleles
Chapter 26 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 26 - New World monkeys _____. a. lack a tail b. are...Ch. 26 - The closest relatives of bonobos are ________. a....Ch. 26 - Prob. 3SQCh. 26 - Neanderthal Hair Color The MC1R gene regulates...Ch. 26 - Neanderthal Hair Color The MCIR gene regulates...Ch. 26 - Neanderthal Hair Color The MCIR gene regulates...Ch. 26 - Like most mammals, a(n) __________ has a wet nose....Ch. 26 - The 3.6-million-year-old footprints left by...Ch. 26 - The position where a spinal cord enters the skull...Ch. 26 - Australopiths are__________ a. extinct b....
Ch. 26 - The oldest Homo fossils found outside of Africa...Ch. 26 - A prominent chin is typical of _______. a. Homo...Ch. 26 - Compared to modern humans, Neanderthals had a...Ch. 26 - The oldest Homo sapiens fossils were found in...Ch. 26 - __________ probably had a spoken language. a....Ch. 26 - Modem people native to __________ have a higher...Ch. 26 - Match each group with its description. ___...Ch. 26 - Place the events in order. ___ 1 (earliest) a....Ch. 26 - Male aggression is rare in bonobo society and...Ch. 26 - Think about the pattern of human dispersal. Given...
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- Mutation (a) leads to adaptive evolutionary change (b) adds to the genetic variation of a population (c) is the result of genetic drift (d) almost always benefits the organism (e) a and barrow_forwardWhich statement about analogies is correct? a. They occur only as errors. b. They are synonymous with homologous traits. c. They are derived by response to similar environmental pressures. d. They are a form of mutation.arrow_forwardWhy are humans so genetically similar within our species? A. Humans are not very genetically similar to one another. B. Because humans evolved in one location (Africa) and we have existed as a species for very long time. C. Because humans evolved in multiple locations around the world at different times. D. Because humans evolved in one location (Africa) and we haven't existed as a species for very long.arrow_forward
- 1b.) Which is NOT commonly an effect of inbreeding in a population? a. an increase in the frequency of homozygous dominant individuals b. an increase in the frequency of homozygous recessive individuals c. an increase in the frequency of recessive genetic diseases d. better health and fertility of inbreds lines compared to lines that are not inbred.arrow_forwardDog breeders use selective breeding, also called artificial selection, to maintain a closed genetic lineage, and produce offspring with desirable traits. This violates which Hardy-Weinberg condition? a reproduction b no mutation c random mating d no natural selectionarrow_forwardMutation is the only evolutionary mechanism that… a.is more important in eukaryotes than in prokaryotes b.introduces new alleles into the population c.has no effect on genetic evolution d.occurs frequently in all populationsarrow_forward
- Which statement about analogies is correct? a. They occur only as errors. b. They are synonymous with homologous traits. c. They are derived by similar environmental constraints. d. They are a form of mutation.arrow_forwardA) Distinguish genetic drift from gene flow in terms ofhow they each occur and their implications for futuregenetic variation in a population.B) Explain the importance of the bottle neck effect inconservation biology of endangered species.arrow_forwardbased on the image attached a) Explain how genetic drift caused egg hatching to decrease in the late 1980s and 1990. b) Why did hatching improve following translocations? c) What are the general effects of gene flow between populationsarrow_forward
- Why did dark-colored rock pocket mice first appear in a population of light-colored rock pocket mice? Group of answer choices A. The rock pocket mice have a mutation in a gene that leads to the dark fur color. B. Individuals change color to blend in with the environment C. Predators eat light-colored rock pocket mice. D. There is dark lava rock in the area where they live E. All of the answers are correct F. None of the answers are correctarrow_forwardPhysical anthropologist Eva Hernandez visits the Yamomamo in Venezuela and finds that only 3 individuals in a small village of 85 people have blood type A. Her grandson, Alberto Hernandez, returns 45 years later and finds that no one in the village has type A blood. A-gene flow B-natural selection C-genetic drift D-mutationarrow_forwardOptions are a. Hybrid offspring. b. Speciation c. Adaptive radiation. d. Mechanical isolation.arrow_forward
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