Question

What does a horizontal line connecting two symbols in a pedigree chart represent?

Options

• Mating between two individuals

• Sibling relationship

• Parent-child relationship

• Adoption relationship

Answer 1

A horizontal line between two symbols in a pedigree chart represents mating between those two individuals. This connection is fundamental to pedigree construction as it links parents and shows the genetic relationships that result in offspring, which are displayed below the mating line.