EBK BIOLOGY
5th Edition
ISBN: 8220100667978
Author: Maier
Publisher: PEARSON
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Chapter 7, Problem 9LTB
Summary Introduction
Introduction:
The quantitative traits are the measurable
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Students have asked these similar questions
For selective breeding to be successful, the starting populationmusta. have genetic variation that affects the trait of interest.b. be very large.c. be amenable to phenotypic variation caused by environmentaleffects.d. have very little phenotypic variation.
If predicted genotypic frequencies do not match actual genotypic frequencies, what is true of the population?
a
It is changing.
b
It is in equilibrium.
c
The frequencies are unpredictable.
d
The sample population was too large.
How are traits normally distributed in a population?
a
with one peak shifted toward an extreme
b
in a bell curve
c
with two peaks and a trough
d
in a straight line
Chapter 7 Solutions
EBK BIOLOGY
Ch. 7 - What is the relationship between genotype and...Ch. 7 - Prob. 2LTBCh. 7 - Prob. 3LTBCh. 7 - Prob. 4LTBCh. 7 - Prob. 5LTBCh. 7 - Scientists have recently developed a process by...Ch. 7 - What is the physical basis for the independent...Ch. 7 - Prob. 8LTBCh. 7 - Prob. 9LTBCh. 7 - Prob. 10LTB
Ch. 7 - Prob. 1GPCh. 7 - Prob. 2GPCh. 7 - Prob. 3GPCh. 7 - Prob. 4GPCh. 7 - Pfeiffer syndrome is a dominant genetic disease...Ch. 7 - Prob. 6GPCh. 7 - A cross between a pea plant that produces round...Ch. 7 - Prob. 8GPCh. 7 - The allele BRCA2 was identified in families with...Ch. 7 - Two parents both have brown eyes, but they have...Ch. 7 - Prob. 2AAATBCh. 7 - Prob. 3AAATBCh. 7 - Prob. 1CTSCh. 7 - Prob. 2CTSCh. 7 - Prob. 3CTS
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- Genetic drift is most likely to affect:a. every population, regardless of sizeb. small populationsc. large populationsd. large and diverse communitiesarrow_forwardWhich of the following principles of selection are true for both the sickle cell and rock pocket mice examples? Check all that apply. (1 or more are correct). Group of answer choices A_The same genotype can have higher fitness in one environment, but lower fitness in another environment B-Some genotypes have higher fitness than other genotypes C-Some genotypes have lower fitness than other genotypesarrow_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
- I am testing the prediction that spiders with colors that match a flower (cryptic coloration) will have greater success hunting bees visiting that flower. I set up two treatments for spiders: those matching their flower and those not matching their flower. I measure how long it takes each of them to catch a bee. What kind of statistical test would be best for testing my prediction? Chi-square ●ANOVA Regressionarrow_forwardIn a population of squirrels in North Carolina, the heritability forbody weight is high. This means thata. body weight is primarily controlled by genes.b. the environment has little influence on body weight.c. the variance in body weight is mostly due to genetic variation.d. both a and b are correct.arrow_forwardHeritability: A. is the proportion of a trait in an individual that is explained by genes. B. decreases due to natural selection. C. is not influenced by the amount of environmental variance in a population. D. All of the abovearrow_forward
- All of the following are considered a quantitative trait, EXCEPT? a. A trait that has a continuously varying phenotype in the population. b. A trait that is influenced by both genetic and environmental factors. c. A trait that has multiple genes that contribute to the phenotype. d. A trait that is influenced by one gene that follows complete dominance inheritance patterns.arrow_forward!arrow_forwardA. When genetic drift and natural selection are combined what happens to the deleterious allele. B. What changes would be caused by population size increasearrow_forward
- Which of the following accurately describes human genetic variation relative to the amount of variation found in other species? Group of answer choices A. low and mostly occurs within populations B. high and mostly occurs between populations C. non-existent, humans are all clones D. high and mostly occurs within populations E. low and mostly occurs between populationsarrow_forwardNonearrow_forwardIn the study of genetics, a model organism is one in which hypotheses can be tested and the results are usually true of most other organisms. For examining heredity and how different alleles affect traits in a population, a good model organism is one that has a short generation time and many offspring O is most like a wild population has only a few offspring that can be studied extensively most resembles humansarrow_forward
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