What do Shaded symbols represent on a pedigree?
A half-shaded circle or square indicates that a person is a carrier of the trait. A completely shaded circle or square indicates that a person expresses the trait. A circle or square that is not shaded indicates that a person neither expresses the trait nor is a carrier of the trait.
What are the parts of a pedigree?
The Components of a Pedigree:
Squares are used to indicate males in a family. Circles are used to indicate females. If the individual is “affected” by the trait (dominant or recessive) we darken the shape. A line between a male and a female indicates a marriage or union.
What does P mean on a pedigree chart?
P. Comments. Assign gender by phenotype.
What are solid symbols?
Symbols in Chemical Equations
|(s)||indicates that the substance is in a solid state|
|an alternative way of representing a substance in a solid state|
|(aq)||indicates that the substance is dissolved in water – the aq comes from aqueous|
|indicates that heat is applied to make the reaction proceed|
What do half colored symbols represent?
What do half colored symbols represent? The individual is a carrier. The individual expresses the trait. The individual has both recessive alleles.
What is a half shaded circle called?
What is a half shaded circle called? In geometry, the half circle is referred to as the semicircle.
What does a triangle mean in terms of a pedigree?
A triangle is used for any pregnancy not carried to term. … Pregnancy (P), Stillbirth (SB), Spontaneous abortion (SAB), Termination of pregnancy (TOP), Ectopic pregnancy (ECT).
How do you show a dead person on a pedigree?
Individuals who are deceased have a slash through the symbol representing them. Symbols for individuals affected by a particular disorder are shaded. Carriers can be represented by a half-shaded symbol or by a dot in the middle of a symbol.