Mastering Genetics with Pearson eText -- Standalone Access Card -- for Genetic Analysis: An Integrated Approach (2nd Edition)
2nd Edition
ISBN: 9780133983500
Author: Mark F. Sanders, John L. Bowman
Publisher: PEARSON
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Textbook Question
Chapter 1, Problem 23P
Are seed-eating finches among Darwin’s finches monophyletic or paraphyletic? What about cactus flower–eating finches?
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What type of geographic barriers could have led to the speciation of finch in the Galápagos Islands?
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Why would increasing vegetation heterogeneity lead to increased species richness in birds?
Chapter 1 Solutions
Mastering Genetics with Pearson eText -- Standalone Access Card -- for Genetic Analysis: An Integrated Approach (2nd Edition)
Ch. 1 - 1. Genetics affects many aspects of our lives....Ch. 1 - 2. How do you think the determination that DNA is...Ch. 1 - 3. A commentator once described genetics as “the...Ch. 1 - All life shares DNA as the hereditary material....Ch. 1 - Define the terms allele, chromosome, and gene and...Ch. 1 - 6. Define the terms genotype and phenotype, and...Ch. 1 - 7. Define natural selection, and describe how...Ch. 1 - Describe the modern synthesis of evolution, and...Ch. 1 - What are the four processes of evolution? Briefly...Ch. 1 - Define each of the following terms: a....
Ch. 1 - 11. Compare and contrast the genome, the proteome,...Ch. 1 - With respect to transcription describe the...Ch. 1 - If thymine makes up 21% of the DNA nucleotides in...Ch. 1 - What reactive chemical groups are found at the 5...Ch. 1 - Identify two differences in chemical composition...Ch. 1 - What is the central dogma of molecular biology?...Ch. 1 - A portion of a polypeptide contains the amino...Ch. 1 - The following segment of DNA is the template...Ch. 1 - 29. Consider the following segment of...Ch. 1 - 23. Fill in the missing nucleotides (so there are...Ch. 1 - 26. Four nucleic acid samples are analyzed to...Ch. 1 - 23. Are seed-eating finches among Darwin’s finches...Ch. 1 - 28. If one is constructing a phylogeny of reptiles...
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- What is the main evolutionary lesson provided by Darwin’s finches on the Galápagos Islands?arrow_forwardWhat is the common ancestor of the Galapagos finches? What are the thirteen Galapagos finches? What characteristics make each of the thirteen finches a distinct species? How is each finch isolated from the others? What habitat does each finch live?arrow_forwarda) Is there a monophyletic group that includes only the tapir, rhinoceros, and equids (Horses)? If so, which animals are included? b) Is there a monophyletic group that includes only pronghorns and deer? If so, which animals are included? c) Is there a monophyletic that includes pigs and bovidss? If there is, what other animals would be a part of the monophyletic group?arrow_forward
- Why are there so many different types of plants that host butterflies and serve as food for them? What does this mean about the diversity of butterflies?arrow_forwardIs there a monophyletic group that included only pronghorns and deer? If so, where? Whatt about a monophyletic group that includes pigs and bovids?(What other groups need to be included to make this a monophyletic group?arrow_forwardAre there any problems with the Galapagos finch species traditionally classified in the genus Geospiza? Is it correct to say that the Geospiza finch species make up a monophyletic group? If not, what is the term for the Geospiza finch species as presented in the phylogeny above.arrow_forward
- . What is adaptive radiation? Explain it with the example of Darwin's finches.arrow_forwardIf an altered structure, such as the long neck of the giraffe, is advantageous, why don’t all species have that structure?arrow_forwardDescribe how speciation in the Galapagos finches occurred through geographic isolationarrow_forward
- Imagine a field of monkey flowers. Some of them are pink and others are red. It turns out that the pink flowers are pollinated mostly by bumblebees, whereas the red flowers are pollinated mostly by hummingbirds. As a result pink flowers are fertilized mostly by pollen from other pink flowers, and red flowers are fertilized mostly by pollen from other red flowers. The pink and red flowers have become separate species. What type of speciation is this? Sympatric speciation type (my answer) What mechanism of reproductive isolation was involved? ??arrow_forwardIf you wanted to study the phylogenetic relationships of birds and lizards (from the same table displayed in the question above), which species would be the best outgroup to choose and why?arrow_forwardCompare and contrast Old and New World monkeys, what do they have in common? How do they vary? How does your text specify New World monkeys migrated from Africa?arrow_forward
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