Mark the true statement about the pedigree analysis.

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Pedigree analysis is limited only to only one generation.

It is used to trace the inheritance of single trait in a family line.

The inheritance of a particular single trait cannot be studied.

Pedigree analysis is done in human as control crosses are possible.

answer is B.

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Detailed Solution

It is used to trace the inheritance of single trait in a family line.

Control crosses that can be performed in pea plant or some other organisms, are not possible in case of human beings, study of the family history about inheritance of a particular trait provides an alternative. Such an analysis of traits in a several of generations of a family is called the pedigree analysis. In the pedigree analysis the inheritance of a particular trait is represented in the family tree over generations. In human genetics, pedigree study provides a strong tool, which is utilised to trace the inheritance of a specific trait, abnormality or disease.

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