Animals which we see around us with differences in them are the result of ___________.

Sexual reproduction

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Genetic variation

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Both A and B

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Growth differences.

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Solution

The correct option is C
Both A and B

Animals which we see around us with differences in them are the result of genetic variation. Sexual reproduction involves the fusion of haploid gametes which in turn is the source of genetic variations at DNA level. These variations produce morphological differences in the animals of the same species.

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Similar questions

Assertion (A): Differences in a population are created by genetic variations.

Reason (R): Driving factor for variation is the source of sexual reproduction and also asexual reproduction.

Animals which we see around us with differences in them are the result of ___________.

Variation is a part of genetics along with inheritance. Which of the following statement(s) is/are incorrect about variation?

I) Humans did not know about variations, it is a recently studied branch of genetics.

II) Used it as a tool to selectively breed plants and animals and select for organisms that possessed desirable characters.

III) Variations can develop as a result of sexual reproduction, mutations, etc.

Offspring formed by sexual reproduction exhibit more variation than those formed by asexual reproduction because
(a) Sexual reproduction is a lengthy process
(b) Gametes of parents have qualitatively different genetic composition
(c) The genetic material comes from parents of two different species
(d) Greater amounts of DNA is involved in sexual reproduction

Q. Question 20
Offspring formed as a result of sexual reproduction exhibit more variations because

(a) sexual reproduction is a lengthy process
(b) genetic material comes from two parents of the same species
(c) genetic material comes from two parents of different species
(d) genetic material comes from many parents

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