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31 Cards in this Set
- Front
- Back
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Diagram showing the phenotypes and relationship between members of the family |
Pedigree |
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Family tree that indicates the phenotype of the Trait in question for each member |
Pedigree |
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Analysis of inheritance in human families |
Pedigree Analysis |
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It is possible to predict how the gene controlling the Trait is inherited |
Pedigree Analysis |
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If many similar pedigrees for the same Trait are found |
The prediction strengthened |
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Circles |
Females |
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Square |
Males |
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Diamond |
Unknown Sex |
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In pedigree analysis it allows predictions concerning phenotypes of offspring inhereting a genetic disease |
Genetic Counseling |
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Rarely observed in pedigree analysis |
Mendellian ratio |
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Shaded |
Single trait |
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Half left part is shaded |
Heterozygous |
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What are connected by horizontal lines |
Parents |
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What lines do lead the parents to their offspring |
Vertical lines |
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All such offspring are called |
Sibs |
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Offspring are connected to each other by |
Horizontal sibship lines |
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Sibs are placed from |
Left to right |
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Sibs are placed based on |
Birth order |
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Diagonal lines indicates |
Twins |
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Sibs are labeled with |
Arabic numerals |
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Generations are labeled by |
Roman Numeral |
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Diagonal lines are linked with horizontal line |
Monozygotic/ Identical Twins |
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Twins that is only connected by Diagonal Lines |
Dizygotic/Fraternal Twins |
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Male whose phenotype drew attention of a physician or geneticist |
Propositus |
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Female whose phenotype drew attention of a physician or geneticist |
Proposita |
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Patterns of inheritance |
-Dominant -Recessive |
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Inherited on chromosome 1-22 |
Autosomal |
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Inherited on chromosomes Xand Y |
Sex-linked |
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One allele controls the phenotype |
Dominant |
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Does not control the phenotype |
Recessive |
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Reccesive phenotype is not expressed in |
Heterozygotes |
