How do you read a pedigree?

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The general form of a pedigree is to have the parents joined by a horizontal line with their children underneath them (connected with a vertical line to the parents).

Each generation is numbered using roman numerals (I, II, III, IV, ...) and then individuals in each generation are numbered across (1, 2, 3, etc.)

Females are represented by circles, males by squares. If you see a diamond, this means the sex is not specified.

If you are looking at a specific trait, such as a genetic disorder, affected individuals will be coloured in, unaffected individuals will not be coloured in, and sometimes carriers will have a dot in the middle (of the circle).

A symbol which has been crossed out indicates that the individual has died. If the parents are joined by two lines (instead of one) this shows that they are related. Twins are shown using diagonal lines which originate from the same point on the horizontal line joining the parents.

What does pedigree stand for?

Answer A chart designed to show relationships often used in horsebreeding, dog breeding and human geneology. It might also be asimple list of the ancestors from whom a person

What is a pedigree?

a family tree or chart that tracks which members have a certain trait

How are pedigrees helpful?

They help geneticists to find the probability of different things, like whether a child will be a boy or a girl. They can be used to isolate diseases. A pedigree is a written

What is pedigree?

A pedigree is a description of the descent of people or animals.

What does a pedigree tell you?

A pedigree is a chart or "family tree" that tracks which member ofyou family have a particular trait. These can be ordinary traits such as eye color, or geneticdisorder's such

How do you do a pedigree?

Step one in creating a pedigree is to include only family memberswho have a blood relation. This means no step relations will beincluded. Next symbols for biological parents a

What is Pedigree chart?

A pedigree chart is like a family tree and can start at your grandparents or great grandparents then works it way throughout an entire family showing who someone married, if t

What is a pedigree. How are pedigrees used?

Pedigree : A chart or "Family Tree" that tracks which members of a family have a particular trait. It is one of the important tool that geneticists used to trace the inhe

Why is pedigree called pedigree?

A pedigree is a description of the descent of people or animals. The word is derived from the Anglo-Norman pe de gru , a variant of Old French pié de gru ("foot of a cra
In Domestic Dogs

What is a pedigreed dog?

a pedigree is a certificate proving/certifying that your dog is a pure breed. Thus a pedigreed dog is a dog with a pedigree, so it is a pure breed dog