Pedigree Chart Examples
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Pedigree Chart Examples

AUTOSOMAL DOMINANT

Cannot be recessive as two affected parents could not have an unaffected offspring


Parents MUST be heterozygous

Cannot be dominant as two unaffected parents could not have an affected offspring


Parents must be heterozygous

Sex linkage cannot be confirmed

100% incidence of affected daughters from an affected father suggests X-linked dominance

Sex linkage cannot be confirmed

100% incidence of affected sons from an

affected mother suggests X-linked recessive

AUTOSOMAL RECESSIVE

X-LINKED DOMINANT

X-LINKED RECESSIVE

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publish time: 2021-09-18
Viro

As the below pedigree chart illustrates, there are four modes of inheritance for single-gene disorders: autosomal dominant, autosomal recessive, X-linked dominant, and X-linked recessive. As per the free pedigree chart template below, Autosomal Dominant cannot be recessive as two affected parents could not have an unaffected offspring. Autosomal Recessive cannot be dominant as two unaffected parents could not have an affected offspring. In the X-linked dominant, sex linkage cannot be confirmed as 100% incidence of affected daughters from an affected father suggests x-linked dominance. Furthermore, 100% incidence of affected sons from an affected mother suggests X-linked recessive. Use EdrawMax to create the chart explaining different modes of inheritance for single-gene disorders.

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kingship diagram - x linked dominant
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Y linked disorder example
This kinghsip diagram is about y linked disorder.
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X linked recessive disorder example
This kingship diagram is about x linked recessive disorder.
X linked recessive disorder example
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