Question

In an asexually reproducing species, if a trait X exists in 5% of a population
and trait Y exists in 70% of the same population, which of the two trait is likely
to have arisen earlier? Give reason.

Answer 1

Answer:

70 percentage in Y.



Explanation:

Percentage of accumulation is time dependent factor as time proceeds accumulation also increases.

Hence species Y arises earlier then X

Answer 2

Answer:

Trait Y which exists in 70% (larger fraction) of the population, is likely to have arisen earlier because in asexual reproduction, identical copies of DNA are produced and variations do not occur.

New traits come in the population due to sudden mutation and then are inherited. 70 % of the population with trait Y is likely to have been replicating that trait for a longer period than 5 % of the population with trait X.

Explanation:

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