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प्रश्न
Define the term gene flow.
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उत्तर
Gene flow is the movement of genes into or out of a population. Gene movement may be in the form of migration of organism, or gametes or segments of DNA Gene flow also alters gene frequency, causing evolutionary change.
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संबंधित प्रश्न
Give any ‘two’ factors responsible for genetic variation.
According to Abiogenesis, life originated from
(1) Non-living matter
(2) Pre-existing life
(3) Oxygen
(4) Extra-terrestrial matter
Define Population.
The proportion of an allele in the gene pool to the total number of alleles at a given locus is called _______.
Genetic drift is more significant in ______
Chromosomal aberration causing no loss or gain of gene complement of the chromosome is called ____________.
____________ brings about evolutionary changes by favouring differential reproduction of genes.
Which animal was very conspicuously visible on the tree trunks after the industrial revolution (1845) in Great Britain?
Which of the following is a pre-mating mechanism of isolation?
What is Genetic recombination?
