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(a)What is meant by ‘heredity’ ? What are the units of heredity.(b) State Mendel’s first law of inheritance. |
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Answer» (a) The transmission of characters from parents to the offspring’s is called heredity. The units of heredity are genes. (b) According to Mendel’s first law of inheritance: The characteristics (or traits) of an organism are determined by internal ‘factors’ which occur in pairs. Only one of a pair of such factors can be present in a single gamete. |
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