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Genetic Basis of Inheritance

  • Genetics: It is the branch of science that deals with the principles of inheritance and its practices.

  • Mendel was the first to carry out the study on the transmission of characteristics from parents to offspring.

  • Mendel proposed that heredity is controlled by genes.

 

  • Mendel’s law of inheritance

  • Mendel experimented on garden pea plant (Pisum sativum) having many visible contrasting characters.

  • He used seven contrasting pairs of characters or traits in garden pea.

 

Trait

Dominant trait

Recessive trait

Seed shape

Round

Wrinkled

Seed colour

Yellow

Green

Flower colour

Violet

White

Pod shape

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