Pedigrees Flashcards
1
Q
what are pedigrees
A
A pedigree is a pictorial representation of the pattern of a genetic trait or condition in a family.
2
Q
what is the legend for a pedigree
A
Males are drawn as squares.
Females are drawn as circles.
Individuals with the trait are shaded.
3
Q
what does a horizontal line represent in a pedigree
A
it represents two individuals who are married/mated
4
Q
in what order are the offsprings drawn in the pedigree
A
they are drawn from left to right from oldest to youngest
5
Q
how are offsprings drawn in a pedigree
A
A horizontal line is drawn above the symbols of the offspring, with small vertical lines connecting the symbols to the horizontal line.
the offspring line is joint to the parent with a vertical line
