Biology for IGCSE & O level - Inheritance (Section 11 - No. 17)
Which of the following statements are true regarding the inheritance of a trait from the perspective of a pedigree diagram?
A shaded shape indicates that the individual has the trait.
A non-shaded shape indicates that the individual has the trait.
Squares represent females.
Circles represent males.
Explication
Shaded symbols means they have the trait while unshaded do not, while the other two options are incorrect.