Practice problem
In a pedigree chart, what is the difference between a square and a circle?
Circles are for females, squares are for males.
Squares are for females, circles are for males.
Squares are for those unaffected by a condition, while circles are for those that are.
Squares are for those affected by a condition, while circles are for those who are not.
Type a concept, like “slope” or “photosynthesis”.