WHAT IS LIFE ACHIEVE ACCESS ONLY >I<
5th Edition
ISBN: 9781319487317
Author: PHELAN
Publisher: INTER MAC
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Chapter 11, Problem 2MC
Summary Introduction
Introduction:
Behaviors evolve in organisms much like other physical and physiological features.
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Students have asked these similar questions
Which of the following is false?
a.
The color of a fruit fly's eyes is a trait.
b.
The instructions for producing a trait are found in a gene that controls the physical expression of that trait.
c.
A gene can have different alleles that can specify different traits, such as red or brown eye color.
d.
The trait is influenced by the gene, independent of the environment.
e.
By studying the patterns of traits over generations of an organism, the genetic composition of an organism can be deduced.
Which of the following is the MOST important characteristic of a trait for it to undergo descent with modification?
A.
It must be heritable.
B.
It must exhibit variation.
C.
It must exhibit phenotypic plasticity.
D.
Variation in the trait must be accompanied by variation in fitness.
What assumptions underlie the use of adoption studies in genetics?
a. Adoptees have no contact with their biological parents after birth.b. The adoptive parents and biological parents are not related.c. The environments of biological and adoptive parents are independent.d. All of the above.
Chapter 11 Solutions
WHAT IS LIFE ACHIEVE ACCESS ONLY >I<
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following is true about evolutionary psychology? a. Natural selection works differently in humans than other animals. b. It is easy to test evolutionary hypotheses by doing experiments. c.Most social behaviors are genetically determined with little influence by the social environment. d. Evolutionary approaches can generate novel hypotheses about social behavior that can then be tested with experiments.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_forwardJean-Baptiste Lamarck introduced a theory about inheritance in the early 1800s. Which of the following accurately describes his Theory of Acquired Characteristics? a. Offspring traits are the result of the blending of traits from the parents. b. Offspring traits are the result of parent individuals modifying their traits due to use or non-use. c. Traits are acquired from genes, and arise only from the mother not from the father. d. Traits are acquired from grandparents and skip the parent generation altogetherarrow_forward
- Clarify the difference between claiming that, a) some behaviours are genetically determined, versus b) some differences among individuals in behavioural phenotype are genetically determined. Are both claims valid in some circumstances? Use any suitable example you know about to justify your answer.arrow_forwardWhich of the following is TRUE about eugenics? a. None of the above. b. The idea of eugenics came from an incorrect interpretation of natural selection. c. The Nazis used the idea of eugenics to justify murdering millions of people. d. In the United States, people were forcibly sterilized without their consent, and the courts ruled that this was legal. e. All of the above.arrow_forwardIn the context of genetic influence on individual differences, the degree of genetic influence typically a. increases from infancy through childhood, and then decreases from childhood through adulthood. b. decreases from infancy through adulthood. c. remains stable from infancy through adulthood. d. increases from infancy through adulthood.arrow_forward
- A gene exists in two alleles, and the heterozygote has the highest fitness. This situation is likely to result in a. directional selection. c. disruptive selection. b. stabilizing selection. d. balancing selection.arrow_forwardLamarck's theory of inheritance of acquired characteristics did NOT include which of the following ideas? Select one: a. The environment plays a role in selecting favourable characteristics b. Physical characteristics acquired during a lifetime can not be passed to offspring c. Organisms can change during their own lifetime d. Physical activities can change organisms O O Oarrow_forwardYou are studying a genetically modified mouse that produces electric blue fur, which is not a fur color observed in nature. You notice that females prefer males that have the blue fur when given a choice test for mates. This result supports which of the following models of sexual selection? a. Sexual selection for indirect benefits b. Sexual selection for direct benefits c. Sexual selection for arbitrary traits d. None of the abovearrow_forward
- Which of the following are traits typical of intrasexual selection? a. Weapons b. Choosiness c. Combat behaviors d. Both a. and b. e. Both a. and c.arrow_forwardresults in condensed chromatin, which makes DNA inaccessible, and results in open chromatin, which makes DNA accessible. Oxidation; Nitrification OAcetylation; methylation O Methylation; acetylation O Nitrification; oxidationarrow_forwardWhich of the following is an example of stabilizing selection?a. Over time, Equus developed strength, intelligence, speed,and durable grinding teeth.b. British land snails mainly have two different phenotypes.c. Swiss starlings usually lay four or five eggs, therebyincreasing their chances of more offspring.d. Drug resistance increases with each generation; theresistant bacteria survive, and the nonresistant bacteriaget killed off.e. All of these are correctarrow_forward
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