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Earn 100

The factor that leads to Founder effect in population is:
(a)Natural selection
(b)Genetic recombination
(c)Mutation
(d)Genetic drift

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Important Questions on Evolution
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The phenomenon of evolution of different species in a given geographical area starting from a point and spreading to other habitats is called:

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A Hominid fossil discovered in Java in now extinct, having cranial capacity of about was:

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From his experiments, S.L. Miller produced amino acids by mixing the following in a closed flask

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Flippers of Penguins and Dolphins are examples of

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Which of the following refer to correct example(s) of organisms which have evolved due to changes in environment brought about by anthropogenic action?
(a) Darwin’s Finches of Galapagos islands.
(b) Herbicide resistant weeds.
(c) Drug resistant eukaryotes.
(d) Man-created breeds of domesticated animals like dogs.

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A gene locus has two alleles A, a. If the frequency of dominant allele A is 0.4, then what will be the frequency of homozygous dominant, heterozygous and homozygous recessive individuals in the Population?

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Variations caused by mutation, as proposed by Hugo de Vries, are:

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Match the hominids with their correct brain size:
Column – I | Column – II | ||
---|---|---|---|
Homo habilis | 900 cc | ||
Homo neanderthalensis | 1350 cc | ||
Homo erectus | 650-800 cc | ||
Homo sapiens | 1400 cc |
Select the correct option.
