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Gene flow is...

Gene flow is

A

Transfer of gene between genetically distinct but intebreeding populations

B

Transfer of genes from femaes to males of and organism

C

Transfer of genes from outside to chromosomes

D

Transfer of genes from sperm to egg.

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The correct Answer is:
A
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Sudden addition or deletion of genes by chance in a small population is called (a) Sewall wright effect (b) Mutation (c) Gene flow (d) Gene migration

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Gene flow occurs through generations. Gene flow can occur across language barriers in humans. If we have a technique of measuring specific allele frequencies in different population of the world, can we not predict human migratory patterns in pre-history and history ? Do you agree of disagree ? Provide explanation to your answer.

Gene flow occurs through generations. Gene flow can occur across language barriers in humans. If we have a technique of measuring specific allele frequencies in different population of the world, can we not predict human migratory patterns in pre-history and history ? Do you agree or disagree ? Provide explanation to your answer.

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Match column I with column II and select the correct option from the codes given below. {:("Column I","Column II"),("Mutation",(i)"Changes in population's frequencies due to chance alone"),("Gene flow",(ii)"Differences in survival and reproduction among variant individuals"),("Natural selection",(iii)"Immigration, emigration change allele frequencies"),("Genetic drift",(iv)"Source of new alleles"):}

Illustrated below is a DNA segment, which constitutes a gene. How is this gene different from prokaryotic gene in its expression?

Gene pool is :

Gene pool is :

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