what are the symbols used in pedigree chart

1 answer

Some of the common symbols used in a pedigree chart include:

- Square: Represents a male family member
- Circle: Represents a female family member
- Shaded square or circle: Represents an individual who is affected by a particular genetic condition or disease
- Half-filled square or circle: Represents an individual who is a carrier of a genetic condition or disease
- Line connecting two individuals: Represents a marriage or partnership
- Roman numerals: Used to indicate generations within a family (I, II, III, etc.)
- Arabic numerals: Used to identify specific individuals within a family (1, 2, 3, etc.)

These symbols are used to visually represent the relationships and genetic traits within a family across multiple generations.