some families, hairy ecar rims have been shown to be transmitted exclusively from fathers to sons. Inheritance of an X-linked dominant disorder XA/X X4/X X4/Y FIGURE 2-31 AI the daughters of a male expressing an X-Inked dominant phenotype will show the phenotype. Females heterozygous for an X-linked dominant allele will pass the condition on to half their sons and daughters. II XA/X XA/Y

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
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Chapter14: Human Inheritance
Section: Chapter Questions
Problem 4GP: An allele responsible for Marfan syndrome Section 13.4 is inherited in an autosomal dominant...
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Could the pedigree in Figure 2-31 be explained as an autosomal dominant disorder? Explain.

some families, hairy ecar rims have been shown to be transmitted exclusively from
fathers to sons.
Inheritance of an X-linked dominant disorder
XA/X
X4/X
X4/Y
FIGURE 2-31 AI the daughters of a
male expressing an X-Inked dominant
phenotype will show the phenotype.
Females heterozygous for an X-linked
dominant allele will pass the condition on
to half their sons and daughters.
II
XA/X
XA/Y
Transcribed Image Text:some families, hairy ecar rims have been shown to be transmitted exclusively from fathers to sons. Inheritance of an X-linked dominant disorder XA/X X4/X X4/Y FIGURE 2-31 AI the daughters of a male expressing an X-Inked dominant phenotype will show the phenotype. Females heterozygous for an X-linked dominant allele will pass the condition on to half their sons and daughters. II XA/X XA/Y
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