Pedigrees Flashcards
1
Q
Square in a pedigree means?
A
male
2
Q
Circle in a pedigree means?
A
female
3
Q
Lines between a male and a female represent?
A
marriage
4
Q
Lines extending from the marriage line represent?
A
offspring
5
Q
Shaded in circle/square represents?
A
affected person/person affected with the trait
6
Q
Unshaded in circle/square represents?
A
Unaffected person/person that doesn’t have the trait
7
Q
Roman Numerals on the side represent?
A
generations
8
Q
How can you tell if a trait is autosomal dominant in a pedigree?
A
when 2 parents show the trait but the offspring does not
9
Q
How can you tell if a trait in a pedigree is autosomal recessive?
A
when 2 parents don’t have the trait but the offspring does
10
Q
How can you tell if a trait is sex-linked recessive?
A
high number of sons with the trait
