Question

mechanism of hereditary changes

Answer 1

Hi..
Heridity means transfer of genetic material from parent 2 offspring...
In sexually reproducucing organism crossing over takes place so offapring is not exactly similar 2 parent but in organisms reproducing asexually are exact copies of parents....asexual reproduction is not favoured as a part of evolution...

Hope this helps u!!

Answer 2

Mechanism of hereditary changes:

• Heredity is the transfer of genes from one generation to other generation.

Hereditary changes can take place due to following changes:

• Natural Selection- One allele is permanent for the population as it gives a survival advantage.
• Genetic Drift- Sudden change in a less population due to which genetic variability is decreased.
• However, sometimes rapid changes in genes taken place due to a method known as mutation. Thus, hereditary changes are accountable for the evolution.

To know more:

Explain how hereditary changes responsible for evolution

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