EBK LIFE: THE SCIENCE OF BIOLOGY
11th Edition
ISBN: 8220103935432
Author: Sadava
Publisher: MAC HIGHER
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Chapter 12, Problem 2Q
Summary Introduction
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The
Introduction:
In a sexually reproducing organism, each gene is represented by two alleles. The law of segregation suggests that each allele gets dispersed in the offsprings independent of each other. Most of the genetic research has been done on the Drosophila melanogaster.
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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
cancerous form. i
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.
Nn
nn
nn
2
nn
Nn
A
3
N-
I want to be a super nutrition guy what u guys like recommend me
Please finish the chart at the bottom. Some of the answers have been filled in.
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EBK LIFE: THE SCIENCE OF BIOLOGY
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