Pedigree Flashcards
Reveal patterns of inheritance of human traits.
Pedigree
The traditional way to study inheritance has been to construct a family tree, indicating the presence or absence of the trait in question for each member of each generation.
Pedigree
Such a family tree is called?
Pedigree
By analyzing this, we may be able to predict how the trait under study is inherited.
Pedigree
Displays a family tree and shows the members of the family who are affected by a genetic trait.
Pedigree chart
[5] Pedigree conventions
- Consanguineous
- Sibs
- Monozygotic
- Dizygotic
- Proband
The parents are related (first cousins)
Consanguineous
They are connected by a double line.
Consanguineous
Short for siblings
Sibs
Connected by a horizontal sibship line.
Sibs
For identical twins.
Monozygotic
Diagonal lines are linked by a horizontal line.
Monozygotic
for fraternal twins.
Dizygotic
Same as monozygotic but lacks a connecting line.
Dizygotic
Individual whose phenotype first brought attention to the family.
Proband
Indicated by an arrow connected to the designation p.
Proband
Can be applied to either male or female.
Proband