EBK LIFE: THE SCIENCE OF BIOLOGY
11th Edition
ISBN: 8220103935432
Author: Sadava
Publisher: MAC HIGHER
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Chapter 52, Problem 4Q
Summary Introduction
To review:
The investigation to find whether energy trade-offs used by female burying beetles is due to proximate or ultimate causes
Introduction:
The proximate causes are immediate factors that include a physiological, genetic, neurological, and developmental process that controls the action performed by an individual in a given time. The ultimate causes are long-term factors or evolutionary changes that determine the overall species-specific behavior. The four questions posed by Tinbergen include causation of a behavior, development, function, and evolution of a behavior. Causation and development are proximate causes of behavior and function and evolution are ultimate causes of a behavior.
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Question #3:
In the KeyGene paper, the authors state that it would be useful if pollen from an apomict would
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a) The apomixis was a dominant trait? Indicate the genotypes and phenotypes (apomict or non-
apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic
and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female
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b) The apomixis was a recessive trait? Indicate the genotypes and phenotypes (apomict or non-
apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic
and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female
first (left side) in the…
Chapter 52 Solutions
EBK LIFE: THE SCIENCE OF BIOLOGY
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