Autosomal Recessive trait :Pedigree Chart, Characteristics and examples If the sex of the person is unknown a diamond is used. Mating.

Unknown gender: Clear diamond. Pregnancy symbols: Use a diamond if the gender is not yet known, a circle or a square if the gender is known. Pedigree Chart Symbols Pictorial representation of a family history outlining the inheritance of one or more traits or diseases. A triangle is used for any pregnancy not carried to term.

A pedigree results in the presentation of family information in the form of an easily readable chart. Carrier of X-linked recessive. Basic Pedigree Symbols. Male. Parents and Children: 1 boy, 1 girl (in order of birth) Abortion or stillbirth (sex unspecified)

Heterozygotes, wh… Pedigree construction is a family history, and details about an earlier generation may be uncertain as memories fade. Living Unaffected female: Clear circle. Someone with the phenotype in question is represented by a filled-in (darker) symbol.

Symbols commonly used in pedigree charts. Female. Living Unaffected male: Clear square. Standard Pedigree Symbols Male Female Sex Unknown Individual Affected individual Multiple individuals, number known Deceased individual Pregnancy (P) Proband Consultand b.1925 5 d .35 y LMP:7/1/94 P P P P 30y 5 d 4 mo 20 wk 4 mo 5 P P Comments Assign gender by phenotype.

It can be simply called as a "family tree " Pedigrees use a standardized set of symbols, squares represent males and circles represent females. Heterozygotes for autosomal recessive. Death. With >2 conditions, the individual's symbol should be partitioned