1.5 Pedigress And Risk Flashcards
1
Q
Why draw pedigrees
A
Spot patterns easily
Explain pattern to patient
Identify potential carriers
Calculate risk of passing disease or being carrier
2
Q
How to draw a pedigree
A
Start at bottom with pro and and siblings
One parents family side then the other
3
Q
Risk
A
Calculation of the predicted chance of having the disease or being a cwrrier
4
Q
Where is sickle cell trait most common
A
Asia
5
Q
Affected child vs affected son
A
Consider if it’s x linked or y linked from affected mother or father
50% of children are males
6
Q
Have an unaffected child but want to know chance of them being carriers
A
Remove AA as a chance
7
Q
Condition more common in females
A
X linked dominant
8
Q
Condition more common in males
A
X linked recessive
