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प्रश्न
Match the following:
| Column- I | Column- II |
| 1. August Weismann | a. Mutation theory |
| 2. Hugo de vries | b. Germplasm theory |
| 3. Charl Darwin | c. Theory of acquired characters |
| 4. Lamark | d. Theory of natural selection |
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उत्तर
| Column- I | Column- II |
| 1. August Weismann | b. Germplasm theory |
| 2. Hugo de vries | a. Mutation theory |
| 3. Charl Darwin | d. Theory of natural selection |
| 4. Lamark | c. Theory of acquired characters |
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संबंधित प्रश्न
Long answer question.
By taking industrial melanism as one example. Explain the concept of natural selection.
Any random fluctuation in allele frequency, occurring in the natural population by pure chance is called __________.
______ changes the genes rearrangement (order or sequence) resulting in variation.
Which of the following is the CORRECT difference between genetic drift and natural selection?
Identify the method of reproductive isolation, when members of a population attain sexual maturity at different times preventing interbreeding.
Reproductive isolation does not occur due to ______.
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.
Domestic wheat, which has 42 chromosomes, is probably hexaploid (6n), whereas the haploid number in the ancestral ones was 7. Find out the right reason as to how are such plants produced?
Which of the following is a pre-mating mechanism of isolation?
What is reproductive isolation?
