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प्रश्न
Write short note on Gene pool.
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उत्तर
- The total genetic information encoded in sum total of genes in a Mendelian population is called gene pool.
- Simply, gene pool means the total number of genes of all individuals in a population.
- It contains both expressed genes and non-expressed genes.
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संबंधित प्रश्न
Overproduction is the principle of
(A) Lamarckism
(B) Theory of organic evolution
(C) Panspermia theory
(D) Modern theory of evolution
From the visible spectrum of light, which component is reflected by the given leaves?
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?
Define the term ‘Mendelian population’.
Which theory provides explanation for both natural selection as well as mutation?
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 |
______ is the separation of the population of a particular species into smaller units which prevents interbreeding between them.
Physical isolation is also called ______.
Which event is represented by the above diagram, related to chromosomal aberrations?
Define the term:
Genetic drift
