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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Chapter 17, Problem 3SQ
Summary Introduction
To match: The modes of natural selection with their best description.
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A(n) _____ makes a species better suited to its environment.a. homologous traitb. adaptationc. analogous traitd. mutation
Dog breeds are an example of artificial selection, which means ______ selected for certain traits in dogs
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Natural selection can edit the nucleotide sequence of an allele inside an individual.
a.
True
b.
False
Chapter 17 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 17 - ___ is the original source of new alleles. a....Ch. 17 - Which is required for evolution to occur in a...Ch. 17 - Prob. 3SQCh. 17 - Prob. 4SQCh. 17 - The persistence of sickle-cell anemia in a...Ch. 17 - ___ tends to keep populations of a species similar...Ch. 17 - The theory of natural selection does not explain...Ch. 17 - Prob. 1DAACh. 17 - Prob. 2DAACh. 17 - Prob. 3DAA
Ch. 17 - Prob. 4DAACh. 17 - Which of the following is not part of how we...Ch. 17 - Sex in many birds is typically preceded by an...Ch. 17 - The difference between sympatric and parapatric...Ch. 17 - A fire devastates all trees in a wide swath of...Ch. 17 - Match the evolution concepts. ____ gene flow a....Ch. 17 - Change in allele frequency of a population is...Ch. 17 - Species have traditionally been characterized as...Ch. 17 - Rama the cama, a llama-camel hybrid, was born in...Ch. 17 - Two species or antelope, one from Africa, the...Ch. 17 - Prob. 4CT
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- Artificial selection works more rapidly than natural selection. T. True Falsearrow_forwardMeaningful evolution occurs when __________. ○ a heritable trait affects survival and fitness ○ a heritable changed trait gives an organism a fitness advantage ○ a changed trait gives an organism a disadvantage ○ environmental factors changearrow_forwardWhat is Natural Selection? A. Inherited traits change over time. B. Organisms develop traits that allow them to survive and reproduce. C. Traits that offer and advantage/benefit will be passed on to offspring. Only A & C Only A All are correct: A, B, & C Only A & Barrow_forward
- People who are heterozygous for the cystic fibrosis gene are morelikely than others to survive a cholera epidemic. This heterozygoteadvantage seems to explain why homozygotes are maintained in thehuman population, and is an example ofa. disruptive selection.b. balanced polymorphism.c. high mutation rate.d. nonrandom mating.arrow_forwardSexual selection occurs whena. one sex has a higher fitness than the otherb. a species exhibits sexual dimorphismc. there is a male dominance hierarchy and only the alpha male reproduces. d. There is monogamous mating.e. A trait is favored by one sex such that individuals of the opposite sex possessing that trait have an increased likelihood of reproducing.arrow_forwardStabilizing selection on a trait tends toa. make the trait more extreme.b. reduce variability in the trait.c. decrease the frequency of alleles associated with the trait.d. result in elaborate male ornaments.arrow_forward
- Dog 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_forwardThe Grants have studied finches on the Galapagos Islands for 40+ years. During times of drought, there is less green/flowering vegetation available as a food source for the finches. This leaves only the hard, thorny seeds. The Grants have found that during drought, finches with larger beaks survive at a higher rate because they can access the food source. This would be an example of __________. a. good genes hypothesis b. selective pressure c. handicap principle d. population variationarrow_forwardThis type of selection favors individuals with alleles at both end of the spectrum of Traitsarrow_forward
- A responsible for anterior morphology in an organism is inherited as maternal effect has two allele: H (normal) and h (a recessive allele that cause small head). A female organism with normal head mates with a true-breeding male with small head. All the offspring have small heads. What should be the genotype of mother and offspring? gene. It a. Mother- Hh, and Offspring- hh b. Mother- hh and offspring Hh c. Mother-hh and offspring- hh d. Mother- hh and offspring- Hharrow_forwardA ________ trait will be observed only in individuals that are homozygous for that trait. a - codominant b - recessive c - dominantarrow_forwardNatural selection can edit the nucleotide sequence of an allele inside an individual. Question 8 a. False b. Truearrow_forward
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