Concept explainers
A.
To determine: The pedigree for the given condition.
Introduction: Galactosemia is a limited genetic
B.
To determine: The probability that this child will have galactosemia.
Introduction: Galactosemia is an autosomal recessive disease. An autosomal illness is a condition that does not depends on the sex chromosomes. If two people who possess galactosemia have children, all of them will have galactosemia.
C.
To determine: If the first child has galactosemia, the probability that a second child will also be having the same condition.
Introduction: An autosomal recessive disorder indicates both copies of the gene in every cell need to hold the mutation for a person to exhibit indications. The parents of an affected person typically bear one copy of the abnormal gene, though they do not show symptoms of galactosemia.

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Chapter 2 Solutions
Introduction To Genetic Analysis
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