Biology for IGCSE & O level - Inheritance (Section 5 - No. 43)
Which of the following are key features of a pedigree chart?
Circles represent males.
Squares represent females.
Shaded symbols indicate individuals with the trait being studied.
Lines connecting symbols represent parent-child relationships.
Forklaring
Pedigree charts use symbols to represent individuals and their relationships, allowing tracking of traits through generations.