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Statement S : Species are groups of potentially interbreeding natural populations that are isolated from other such groups.
Reason R : Reproductive isolation brings about distinctive morphological characters.

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Important Questions on Genetics & Organic Evolution

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NEET / EAMCET Biology Crash Course>Chapter 38 - Genetics & Organic Evolution>ORGANIC EVOLUTION>Q 21
The type of population where prereproductive animals, occur in large numbers is:
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NEET / EAMCET Biology Crash Course>Chapter 38 - Genetics & Organic Evolution>ORGANIC EVOLUTION>Q 22
Arrange the periods of palaeozoic era in ascending order in a geological time scale:
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NEET / EAMCET Biology Crash Course>Chapter 38 - Genetics & Organic Evolution>ORGANIC EVOLUTION>Q 23
The labrofrontal nerves in Cockroach originate from
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NEET / EAMCET Biology Crash Course>Chapter 38 - Genetics & Organic Evolution>ORGANIC EVOLUTION>Q 24
Statement: Sub species has a geographical area and geographically isolated from other sub species
Reason : When members of a species are geographically isolated they give rise to a sub species.
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NEET / EAMCET Biology Crash Course>Chapter 38 - Genetics & Organic Evolution>ORGANIC EVOLUTION>Q 25
In a population of 650 rabbits which are In Hardy Weinberg equilibrium and 390 of them express, a recessive allele(s) for short ears, estimate the number of Homozygous(ss) rabbits
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NEET / EAMCET Biology Crash Course>Chapter 38 - Genetics & Organic Evolution>ORGANIC EVOLUTION>Q 26
The force responsible for fixing in population of neutral characteristics is
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NEET / EAMCET Biology Crash Course>Chapter 38 - Genetics & Organic Evolution>ORGANIC EVOLUTION>Q 27
A population is in Hardy-Weinberg equilibrium for a gene with only two alleles. If the gene frequency of an allele 'A' is 0.7, genotype frequency of 'Aa' is
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NEET / EAMCET Biology Crash Course>Chapter 38 - Genetics & Organic Evolution>ORGANIC EVOLUTION>Q 28
Creation of new taxa is focussed in :