03) Detine heredity. Explain the mechanises of hereditary changes.
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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. ... The study of heredity in biology is genetics.
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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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