Question

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Q. write a short note on pedigree analysis.

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Answer 1

Pedigree analysis is the graphical representation of inheritance of genes.

EXPLANATION:

The following points describes the importance of pedigree analysis:

1. Pedigree analysis helps you to record family inheritance.
2. it is helpful in tracing any genetic disease.
3. it also provides you the knowledge of gene inheritance.
4. it also gives you the basic idea of criss cross inheritance.

Answer 2

Definition. A pedigree is a family tree or chart made of symbols and lines that represent a patient's genetic family history. ... Pedigree analysis is an assessment made by a medical professional about genetic risk in a family.

Best Practices When Creating a Pedigree Chart

Start your chart. Begin your chart with the father and mother. ...

Create branches. Make branches coming from the father and mother to each of the children or offspring. ...

Add generations. As you add generations, label each generation using Roman numerals (I, II, III, and so on).

A pedigree chart displays a family tree, and shows the members of the family who are affected by a genetic trait. This chart shows four generations of a family with four individuals who are affected by a form of colorblindness. Circles represent females and squares represent males.

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