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Modern Synthesis of Evolution

Darwin's theo...

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Darwin's theory can't exp how new traits are formed but it has already told due to change in environment then y is it a demerit

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Q. How many of the following statements are true regarding Neo-Darwinism?
I - According to Neo-Darwinism, all useful variations are inheritable
II - Ernst Mayr was one among a group of scientists that proposed the theory of Neo-Darwinism
III - It does not take the gene pool of a population into consideration
IV - It is the theory of origin of species proposed by Darwin

Q. Change in gene structure change the trait it represents. The theory about formation of new species with the help of such changes is :

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. According to theory put forth to explain the mechanism of organic evolution, when structure of a gene under goes a change, the trait it represents also changes. This results in a heritable variation in population, and may lead to the formation of new species from pre existing species.
The above theory is known as

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Modern Synthesis of Evolution

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