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प्रश्न
The proportion of an allele in the gene pool to the total number of alleles at a given locus is called _______.
पर्याय
gene pool
gene frequency
gene flow
genetic drift
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उत्तर
The proportion of an allele in the gene pool to the total number of alleles at a given locus is called gene frequency.
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संबंधित प्रश्न
Why only left ovary and oviduct arc present in birds?
Very short answer question.
If variation occurs in a population by chance alone and not by natural selection and brings a change in frequencies of an allele. What is it called?
Match the columns and choose the correct option.
| Column I | Column II | ||
| i. | Ecological isolation | a. | Sexually mature at different times of the year |
| ii. | Ethological isolation | b. | Specific mating behaviours |
| iii. | Mechanical isolation | c. | Difference in structure of mating organs |
| iv. | Seasonal isolation | d. | Same geographic region but separate habitat |
Match the columns and choose the correct option.
| Column I | Column II | ||
| i. | Zygote mortality | a. | Hybrid develops to maturity but becomes sterile |
| ii. | Hybrid sterility | b. | Egg is fertilized but zygote dies |
| iii. | Gamete mortality | c. | Union of two gametes does not occur in the iven time |
Hybrids develop to maturity but become sterile due to failure of proper gametogenesis. This is a post mating barrier called ____________.
After the industrial revolution in Great Britain in 1845 which of the following occurred?
Natural selection of black winged moth (Biston carbonaria) over white winged moth (Biston betularia) occurred due to ____________.
Ethological isolation is due to differences in ______
Write short note on Gene pool.
What is reproductive isolation?
