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Why is pedigree analysis done in the study of human genetics? State the conclusions that can be drawn from it. - CBSE (Science) Class 12 - Biology

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Question

Why is pedigree analysis done in the study of human genetics? State the conclusions that can be drawn from it.

Solution

Pedigree analysis is done in the study of human genetics as

(i) It helps the genetic counsellors to guide the couples about the possibility of having children with genetic defects such as haemophilia.

(ii) It indicates that Mendel’s principles are also applicable to human genetics with some modifications found out later such as quantitative inheritance, sex-linked characters and other linkages.

Pedigree analysis is the study of the pedigree for the transmission of particular traits and finding the possibility of the absence or presence of that trait in the homozygous or heterozygous state in a particular individual.

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Solution Why is pedigree analysis done in the study of human genetics? State the conclusions that can be drawn from it. Concept: Genetic Disorders - Mendelian Disorders.
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