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प्रश्न
What is ‘gene flow’?
उत्तर
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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संबंधित प्रश्न
Give two chromosomal similarities between man and apes.
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
Define Population.
Any random fluctuation in allele frequency, occurring in the natural population by pure chance is called __________.
All are post zygotic barriers, EXCEPT
______ is the separation of the population of a particular species into smaller units which prevents interbreeding between them.
Physical isolation is also called ______.
Chromosomal aberration causing no loss or gain of gene complement of the chromosome is called ____________.
Match the following
| Column A | Column B | ||
| (i) | Dryopithecus | (a) | Java and Peking |
| (ii) | Ramapithecus | (b) | Toung in South Africa |
| (iii) | Australopithecus | (c) | Lake Victoria of Africa |
| (iv) | Homo erectus | (d) | Shivalik hills in India |
What is Genetic recombination?
