Final answer:
A pedigree is a chart that shows the inheritance of a trait over several generations. The symbols used in a pedigree include circle, square, horizontal line, vertical line, shaded symbol, and non-shaded/white symbol.
Step-by-step explanation:
A pedigree is a chart that shows the inheritance of a trait over several generations. It is commonly created for families and helps outline the inheritance patterns of genetic disorders and traits. The symbols used in a pedigree include:
- Circle: Represents females.
- Square: Represents males.
- Horizontal line: Joins a male and female to indicate they had offspring.
- Vertical line: Connects offspring and is listed from left to right in order of birth.
- Shaded symbol: Indicates an individual who has the trait being traced.
- Non-shaded/white symbol: Represents an individual who does not have the trait being traced.