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NEET2013ZoologyPrinciples of Inheritance and VariationActual

Which one is the incorrect statement with regard to the importance of pedigree analysis?

Options

  1. AIt confirms that DNA is the carrier of genetic information.
  2. BIt helps to understand whether the trait in question is dominant or recessive.
  3. CIt confirms that the trait is linked to one of the autosome.
  4. DIt helps to trace the inheritance of a specific trait.

Correct answer

A. It confirms that DNA is the carrier of genetic information.

Step-by-step solution

Pedigree analysis is a chart that represents a family tree, which displays the members of the family who are affected by a genetic trait. A family tree can be represented by a pedigrec chart with all the members of a family. They may be having a genetic disorder or may be carrier of the disease. In the pedigree analysis, standard symbols are used to distinguish between different family. It helps to understand whether the trait is dominant or recessive, sex linked or autosomal. It helps to trace the inheritance of a

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