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प्रश्न
What is ‘gene flow’?
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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
From the visible spectrum of light, which component is reflected by the given leaves?
Any random fluctuation in allele frequency, occurring in the natural population by pure chance is called __________.
Write down the three main concepts of the modern synthetic theory.
Loss of gene from chromosome occurs due to ______
The structural, morphological change chromosome due to rearrangement is called ____________.
What is a small interbreeding group of population called?
Which statements are TRUE regarding genetic recombination?
- It occurs in asexually and sexually reproducing organisms.
- They occur due to random union of gametes, anaphasic separation of chromosomes, and crossing over.
- New genetic combinations result in variation.
____________ brings about evolutionary changes by favouring differential reproduction of genes.
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 |
Define the Transformation.
