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Earn 100

The factor that leads to Founder effect in population is:

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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 1891, now extinct, having cranial capacity of about 900cc 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
a  Homo habilis i  900 cc
b  Homo neanderthalensis ii 1350 cc
c  Homo erectus iii 650-800 cc
d  Homo sapiens iv 1400 cc

Select the correct option.