pedigree analysis

pedigree analysis

n.

The study of an inherited trait in a group of related individuals to determine the pattern and characteristics of the trait, including its mode of inheritance, age of onset, and phenotypic variability.

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pedigree

a table, chart, diagram, or list of an animal's ancestors, used in genetics in the analysis of mendelian inheritance, and in the prediction of productivity and breed quality in the offspring.

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pedigree analysis

a useful basis for planning a program to eliminate an inherited defect; the analysis determines the probability that each prospective parent is homozygous for the normal gene, i.e. is not a carrier for the anomaly gene; potential parents with a probability of >95% can be used with confidence.

pedigree herds

herds or flocks composed of animals whose pedigrees are known. Not necessarily stud herds or registered herd but the terms are usually synonymous.

pedigree index

the average of the predicted difference of the sire and the cow index of the dam. The pedigree index is allotted to the offspring.

pedigree selection

use of an individual's pedigree to select breeding animals.

pedigree verification

verification via breed societies and production testing agencies, horse stud books and race records are all used; checks via coat color, blood cell antigens may assist.