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X-linked dominant
(affected mother)
Note: some X-linked dominant disorders are embryonic lethal in males,and most affect females less severely.
Unaffectedfather
Affectedmother
Unaffectedson
Affectedson
Affecteddaughter
Unaffecteddaughter
X
Y
X
X
Y
X
X
X
Y
X
X
X
Unaffected
Affected