Question

what is mean by heredity and variation​

Answer 1

Answer:

Here is your answer

Explanation:

Through heredity, parents pass down genes that determine all of a living thing's traits. Variation, or differences in genes between individuals or groups of individuals, is caused by a few different things: Differences in the genes passed down by parents.

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Answer 2

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Heredity:

The offspring’s of all the organisms (plants and animals) resemble their parents in several aspects. This is only due to the phenomenon of heredity. Hereditary literally means “tendency of like begets like” i.e. all living organisms tend to produce offspring’s like themselves.

Hereditary may be defined as the transmission of characters from one generation to successive generations or from parents to their offspring’s. Thus, heredity is the cause of similarities between the offspring’s, so that the individuals of the same parents resemble each other in many aspects. Heredity involves the transfer of genetic characters from parents to the offspring’s via the egg and sperm. These transferable characters are called “hereditary characters”.

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Variation:

Though offspring’s receive all the characters from their parents, they are not exactly alike. Differences are found even between the offspring’s of the same parents. It is difficult to find out the identical individuals. The progeny differs not only in itself but also with the parents. These differences are called variations. Thus, variations may be defined as the visible differences between the parents and the offspring’s or between the offspring’s of the same parents.

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