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what is the use of pedigree ?...

what is the use of pedigree ?

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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 of pedigree analysis is as follows: (1) It is used to known the possibility of expressive or recessive allele, which may cause genetic disorders. (ii) It shows the origin of trait and inheritance pattern of that trait in a family. (iii) It predicts the harmful effects of marriage between close relatives. (iv) It is extensively used in medical research.
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