EBK BIOLOGY
11th Edition
ISBN: 8220101459800
Author: Byers
Publisher: PEARSON
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Chapter 25, Problem 2RQ
Summary Introduction
To review:
The vertebrate groups that possess the given characteristics.
Introduction:
Vertebrates are subgroup of craniate that belong to class chordata. The characteristic of the vertebrates is presence of the boney vertebral column that surrounds the nerve chord. There are numerous species of the vertebrates, so they are classified in various subgroups depending on the certain characteristics.
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Question #3:
In the KeyGene paper, the authors state that it would be useful if pollen from an apomict would
transmit apomixis-inducing genes to the female in the cross (assuming the pollen is viable). Assuming
there was just one gene conferring gametophytic obligate apomixis, and that the two parents are
inbreds, what would be the consequences of such a cross if:
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
first (left side) in the parental cross.
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 25 Solutions
EBK BIOLOGY
Ch. 25 - The two groups of mammals with the largest number...Ch. 25 - More than half of all vertebrate species are a....Ch. 25 - 3. Which of the following is not a characteristic...Ch. 25 -
4. Adult frogs and toads obtain oxygen...Ch. 25 -
5. Hagfishes
a. are predators of live...Ch. 25 - In chordates, the nerve cord is ________ and runs...Ch. 25 - Animals that are chordates but not vertebrates...Ch. 25 - Prob. 3FTBCh. 25 - Among tetrapod groups, hair is found in; the skin...Ch. 25 - The only mammals that lay eggs are. The only...
Ch. 25 -
1. Briefly describe each of the following...Ch. 25 - Prob. 2RQCh. 25 - List four distinguishing features of chordates.Ch. 25 - Describe the ways in which amphibians are adapted...Ch. 25 - 5. List the adaptations that distinguish reptiles...Ch. 25 - List the adaptations of birds that contribute to...Ch. 25 - 7. How do mammals differ from birds, and what...Ch. 25 - Prob. 1ACCh. 25 - Prob. 2AC
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