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