Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Explain your answer. Below is a pedigree showing the inheritance of colorblindness in
Akoto family. Çolorblindness is a recessive and X-linked trait (X-). The allele for normal
vision is dominant and is represented by Xe.
2
II
IV
1. What are the genotypes of the founding parents (I-1, I-2)?
2. What is the percentage of the affected offspring (II)?
3. What is the phenotype of III-2?
4. Is the inheritance autosomal or sex-linked?
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Transcribed Image Text:Explain your answer. Below is a pedigree showing the inheritance of colorblindness in Akoto family. Çolorblindness is a recessive and X-linked trait (X-). The allele for normal vision is dominant and is represented by Xe. 2 II IV 1. What are the genotypes of the founding parents (I-1, I-2)? 2. What is the percentage of the affected offspring (II)? 3. What is the phenotype of III-2? 4. Is the inheritance autosomal or sex-linked?
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