a Shaded symbol mean an individual is affected by a condition. an unshaded symbol means they are unaffected.
What does the shading of an individual mean on a pedigree chart?
Shaded symbols mean an individual is affected by a condition, while an unshaded symbol means they are unaffected. A horizontal line between man and woman represents mating and resulting children are shown as offshoots to this line.
What does a shaded symbol represent on a pedigree?
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. 1. What is a pedigree?
What is a pedigree chart quizlet?
what is a pedigree chart ? chart that shows the genetic history of a family.
What do the circles represent on a pedigree quizlet?
What do the circles represent on a pedigree? A circle represents a femal. How do you know a pedigree shows a recessive or dominant trait? The trait is recessive, if the trait skips a generation.
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).
What is the purpose of a pedigree chart quizlet?
How is Pedigree Used? It’s used to analyze the pattern of inheritance followed by a particular trait, in a chart/tree formation.
What is a pedigree chart simple?
A pedigree chart is a diagram that shows the occurrence and appearance of phenotypes of a particular gene or organism and its ancestors from one generation to the next, most commonly humans, show dogs, and race horses.
How many generations are depicted in the pedigree at the bottom of the page?
How many generations are depicted in the pedigree at the bottom of the page? Generation – All of the offspring that are at the same stage of descent from a common ancestor. There are 4 generations on the pedigree shown.