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Evolution by Natural Selection

Individuals w...

Question

Individuals with better traits for the new environment have more offspring. The given statement can be related to which of the following phenomena?

A

Noe-Lamarckism

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B

Gene drift

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C

Natural selection

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D

All of the above

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Solution

The correct option is A Natural selection
The theory of natural selection was given by Darwin. According to the law of natural selection, nature supports the survival of the fittest. It means that, the individual which is better adapted to the environment, will survive and produce new individual.
So, the correct option is C.

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Similar questions

Q. Which of the following are necessary for evolution by natural selection to take place?
(i) Offspring resemble their parents more than other individuals in the population.
(ii) Differences among individuals exist and lead to different numbers of successful offspring being produced.
(iii) Individuals adjust their development depending on the environment
(iv) Every individual possess enormous fertility.

Q. Which among the following places will have a better environment for living beings?

Q. Assertion :As favourable variations are transmitted from generation to generation, successive generations become better adapted to the environment, more over, new adaptations may arise due to changing environment. In this way, the adaptive traits preserved by natural selection, will gradually change the characteristics of a species. Reason: This explains the origin of species.

Q. If a cross is made between two individuals, each having genotype Bb, two offsprings are obtained. Out of these first has dominant trait. What is the probability that the second offspring will exhibit recessive trait?

Q. During research on cob length of maize, a plant biotechnologist found that this trait is inherited by the additive effects of multiple genes. He gave names to the genes as A, B and C. He started hybridisation with pure lines and finally he self-crossed two individuals having all the genes for this trait in heterozygous conditions. How many offspring can he expect, who will be exactly the same genotypically as the parents with which he started the experiments?

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