Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Chapter 29.3, Problem 1R
Summary Introduction
To review:
Mating types in fungi and how they are different from male and female sexes.
Introduction:
Mating in fungi is a complex process based on mating types. Many species do not reproduce sexually and the ones, which do have isogamous gametes. This makes it difficult to classify a
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What is purposeful control over mating by choice of parents for the next generation?
How does sexual selection benefit the choices of mating between men and women?
What does positive assortive mating mean?
a. Individuals that are different for a certain trait are more likely to mate
b. Individuals that are alike for a certain trait are less likely to mate
c. Individuals that are alike for a certain trait are more likely to mate
d. Any individuals may mate randomly
Give typing answer with explanation and conclusion
Chapter 29 Solutions
Life: The Science of Biology
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- After five generations of random mating, what is the frequency of the a allele?arrow_forwardWhich of these situations offers the lowest “opportunity for selection” for males? A. Females choose mates with a fancy ornament. B. Every female chooses one male to mate with for life. C. Locations that females need access to in order to reproduce are rare. D. Males fight each other for access to groups of females.arrow_forwardCould hawthorn and apple maggot flies be considered an example of assortative mating? Explain your answerarrow_forward
- In some animal species, being tall is dominant over being short. If a homozygous dominant individual mates with a short individual, what is the chance that their offspring will be heterozygous?arrow_forwardDo females select mates basedon traits indicative of “good genes”?arrow_forwardWhat determines whether a gamete is male or female? Explain why this difference predicts the two main forms of sexual selection.arrow_forward
- Is heterozygous dangerous and give a example of heterozygous?arrow_forwardName some traits for which you think humans exhibit nonrandom mating. Is mating for these traits likely to be positive or negative assortative mating? Name some traits for which you think people mate randomly. How could you test whether mating for these traits is random?arrow_forwardWhat difference in size of feral cat, domestic cat that has both indoor and outdoor lifestyle, street cat? What will happen if female feral cat mates with male cat that has indoor/outdoor lifestyle?arrow_forward
- Why are polyandrous mating systems more rare than polygynous matings? a. Only males are capable of multiple rounds of reproduction within a single breeding season. b. Only females care for the young. c. Females usually experience more intrasexual selection pressure than males. d. Females usually devote more energy to offspring production and development.arrow_forwardExplain The mating of parents with antagonistic traits produces hybrids?arrow_forwardWould you expect environmental conditions to influence syngamy? Design two experiments to investigate the effects of two environmental conditions on the frequency of syngamy. How would you measure syngamy? Its frequency?arrow_forward
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