Question

7) Define heredity. Explain the mechanism of hereditary changes.
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Answer 1

Answer:

Heredity, also called inheritance or biological inheritance, is the passing on of traits from parents to their offspring; either through asexual reproduction or sexual reproduction, the offspring cells or organisms acquire the genetic information of their parents.

Explanation:

Hereditary changes can occur due to following changes: Natural Selection- The expression of a particular allele is more pronounced in a population as it provides survival advantage. ... Recombination- When the crossing over occurs during meiosis, the sequence of alleles changes on the chromosomes...

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Answer 2

Answer: Heredity can be defined as the process of transmission of the characters from the parents to the offspring through the mode of reproduction.

Hereditary changes can occur due to following changes:

Natural Selection- The expression of a particular allele is more pronounced in a population as it provides survival advantage.

Recombination- When the crossing over occurs during meiosis, the sequence of alleles changes on the chromosomes.