PRINCIPLES OF LIFE - LAUNCHPAD (1 TERM)
3rd Edition
ISBN: 9781319410551
Author: HILLIS
Publisher: MAC HIGHER
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Chapter 20.4, Problem 4RA
Summary Introduction
To explain: The necessity of fire for the survival of certain gymnosperms.
Introduction: The gymnosperms are one of the two main groups of seed plants. The seeds present in gymnosperms are naked. The fruits, as well as flowers, are absent in gymnosperms. There are four main groups present in gymnosperms, namely ginkgos, conifers, cycads, and gnetophytes. The conifers include redwoods, spruce, and pines.
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*Example 2: Tracing the path of an autosomal dominant trait
Trait: Neurofibromatosis
Forms of the trait:
The dominant form is neurofibromatosis, caused by the production of an abnormal form of the protein
neurofibromin. Affected individuals show spots of abnormal skin pigmentation and non-cancerous
tumors that can interfere with the nervous system and cause blindness. Some tumors can convert to a
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The recessive form is a normal protein - in other words, no neurofibromatosis.moovi
A typical pedigree for a family that carries neurofibromatosis is shown below. Note that carriers are not
indicated with half-colored shapes in this chart. Use the letter "N" to indicate the dominant neurofibromatosis
allele, and the letter "n" for the normal allele.
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Chapter 20 Solutions
PRINCIPLES OF LIFE - LAUNCHPAD (1 TERM)
Ch. 20.1 - Prob. 1LOCh. 20.1 - Prob. 2LOCh. 20.1 - Prob. 1FQCh. 20.1 - Prob. 1RACh. 20.1 - Prob. 2RACh. 20.1 - Prob. 3RACh. 20.1 - Prob. 4RACh. 20.2 - Prob. 1LOCh. 20.2 - Prob. 2LOCh. 20.2 - Prob. 1FQ
Ch. 20.2 - Prob. 1RACh. 20.2 - Prob. 2RACh. 20.3 - Prob. 1LOCh. 20.3 - Prob. 2LOCh. 20.3 - Prob. 3LOCh. 20.3 - Prob. 1RACh. 20.3 - Prob. 2RACh. 20.3 - Prob. 3RACh. 20.4 - Prob. 1LOCh. 20.4 - Prob. 2LOCh. 20.4 - Prob. 3LOCh. 20.4 - Prob. 1FQCh. 20.4 - Prob. 1ICh. 20.4 - Prob. 2ICh. 20.4 - Prob. 3ICh. 20.4 - Prob. 1RACh. 20.4 - Prob. 2RACh. 20.4 - Prob. 3RACh. 20.4 - Prob. 4RACh. 20.4 - Prob. 5RACh. 20.5 - Prob. 1LOCh. 20.5 - Prob. 2LOCh. 20.5 - Prob. 3LOCh. 20.5 - Prob. 4LOCh. 20.5 - Prob. 1TKCh. 20.5 - Prob. 2TKCh. 20.5 - Prob. 3TKCh. 20.5 - Prob. 4TKCh. 20.5 - Prob. 1FQCh. 20.5 - Prob. 1RACh. 20.5 - Prob. 2RACh. 20.5 - Prob. 3RACh. 20.5 - Prob. 4RACh. 20.5 - Prob. 5RACh. 20.5 - Prob. 6RACh. 20 - Prob. 1.1QCh. 20 - Prob. 1.2QCh. 20 - Prob. 2.1QCh. 20 - Prob. 2.2QCh. 20 - Prob. 2.3QCh. 20 - Prob. 3.1QCh. 20 - Prob. 3.2QCh. 20 - Prob. 3.3QCh. 20 - Prob. 4.1QCh. 20 - Prob. 4.2QCh. 20 - Prob. 5.1QCh. 20 - Prob. 5.2Q
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