What is the purpose of using a pedigree?
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A series of symbols are used to represent different aspects of a pedigree. Below are the principal symbols used when drawing a pedigree. Once phenotypic data is collected from several generations and the pedigree is drawn, careful analysis will allow you to determine whether the trait is dominant or recessive.
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Explanation:
▶ pedigree analysis is the study of transmission of particular traits over the generations for finding out the possibility of their occurrence in the future generation...
▶importance
☀ it is used to know the possibility of expressive or recessive allele which may cause genetic disorder
☀ it shows the origin of trait and inheritance pattern of that trait in a family
☀ it predict the harmful effect of marriage between close relatives
☀ it extenously used in medical research ..
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