Question

in your own words define the following symbols used in a pedigree: a square , a circle, an unshaded circle, a horizontal line, and a vertical line?

Answer 1

Define the following symbols used in a pedigree:

Pedigree:

• it is used to show a cross in any family tree or cross between organisms with specific alleles
• various symbols are used in this

Square

• it is used to represent a male individual in the pedigree.
• it could be shaded or unshaded

Circle

• it is used to represent a female individual in the pedigree.

Unshaded Circle

• it is used to represent unaffected females in the pedigree

horizontal line

• A horizontal line is a straight line that is drawn from left to right or right to left to represent mating.

Vertical line

• represents the offspring produced

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