Q. 474.0( 2 Votes )

Discuss the importance of heredity in blood groups.

Answer :

Blood group of an individual is determined by the combination pair of alleles inherited from parents. The three alleles, form six genotypic combinations, which give four phenotypes of blood groups. This hereditary pattern of blood grouping follows Mendel's pattern of inheritance.

The hereditary in blood groups is important due to various reasons, like:

1. It is useful in solving paternal controversies, and determines the genetic parents of an individual.

2. Matching of blood groups is essential before blood transfusion.

3. It is useful in understanding the genetic basis of diseases such as haemophilia and haemolysis, and thus helps in their better treatment.

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