pedigrees Flashcards
(11 cards)
1
Q
pedigree
A
a genetic representation of a family tree that diagrams the inheritance of a trait or disease through several generations.
2
Q
pedigree symbol for male
A
open square
3
Q
pedigree symbol for female
A
open circle
4
Q
mating line
A
circle and square connected by line
5
Q
identical twins
A
two circles
6
Q
fraternal twins
A
one circle and one square
7
Q
offspring of unknown sex
A
diamond
8
Q
deceased offspring
A
cross over circle/square
9
Q
afflicted individual
A
black circle or square
10
Q
heterozygous individual (for autosomal traits)
A
circle or square half shaded
11
Q
female carrier (for sex linked traits only)
A
dot in circle
