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Question
What is ‘gene flow’?
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Solution
Gene flow is the introduction of genetic material from one population of its species to another by interbreeding. It brings a change in the composition of the gene pool of the receiving population. The introduction of new alleles through a gene pool for increased variability within the population.
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RELATED QUESTIONS
Transfer of gene between the population that differ genetically from one another is called _____.
(A) Gene mutation
(B) Gene flow
(C) Genetic drift
(D) Genetic recombination
Match the following:
| Column- I | Column- II |
| 1. August Weismann | a. Mutation theory |
| 2. Hugo de vries | b. Germplasm theory |
| 3. Charl Darwin | c. Theory of acquired characters |
| 4. Lamark | d. Theory of natural selection |
Identify the INCORRECT statement.
The change in gene and gene frequencies caused due to various aspects like mutation recombination and migration is called ______.
Modem synthetic theory encompasses which of the following concepts?
Loss of gene from chromosome occurs due to ______
The structural, morphological change chromosome due to rearrangement is called ____________.
Identify the INCORRECT statement.
Natural selection of black winged moth (Biston carbonaria) over white winged moth (Biston betularia) occurred due to ____________.
Define the Transformation.
