Pls help A female has a family history of Duchenne muscular dystrophy, a recessive sex-linked condition that is carried on the X chromosome. She does not have thedisease. Her brother, sister, and father all have the disease, while her motherdoes not. She recently married a male with no family history of the disease. Ifthey decide to have children, what percentage of their sons will have thedisease? *0%25%50%100%Identify the type of trait(s) in the pedigree below *

Answered: A female has a family history of…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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A female has a family history of Duchenne muscular dystrophy, a recessive sex-
linked condition that is carried on the X chromosome. She does not have the
disease. Her brother, sister, and father all have the disease, while her mother
does not. She recently married a male with no family history of the disease. If
they decide to have children, what percentage of their sons will have the
disease? *
0%
25%
50%
100%
Identify the type of trait(s) in the pedigree below *

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Step 1

The DNA (deoxyribonucleic acid) is the hereditary unit of an organism. It consists of purines and pyrimidines namely adenine (A), guanine (G), cytosine (C) and thymine (T). The genes consist of DNA that are passed on from parents to their progeny. The different form of a gene is called allele. The expression of alleles leads to phenotypic variations in a population.

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