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प्रश्न
Define the term:
Genetic drift
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उत्तर
Any random fluctuation (alteration) in allele frequency, occurring in the natural population by pure chance, is called genetic drift.
संबंधित प्रश्न
Overproduction is the principle of
(A) Lamarckism
(B) Theory of organic evolution
(C) Panspermia theory
(D) Modern theory of evolution
Give two chromosomal similarities between man and apes.
From the visible spectrum of light, which component is reflected by the given leaves?
Which of the following is TRUE for zygote mortality?
Which of the following is the CORRECT difference between genetic drift and natural selection?
The change in gene and gene frequencies caused due to various aspects like mutation recombination and migration is called ______.
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 |
After the industrial revolution in Great Britain in 1845 which of the following occurred?
Industrial melanism is one of the best example for ______.
Define the term Chromosomal aberrations.
