Advertisements
Advertisements
प्रश्न
State the following:
Theory of recapitulation
उत्तर
Theory of recapitulation :
This theory was proposed by Von Baer. According to this theory, every organism during its development repeats or recapitulates in an abbreviated form the evolutionary history of its race.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Long answer question.
Explain the different factors responsible for genetic variations.
Explain Geographical Isolation
All are post zygotic barriers, EXCEPT
______ changes the genes rearrangement (order or sequence) resulting in variation.
Which is TRUE for industrial melanism?
Physical isolation is also 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.
Write short note on Gene pool.
Define the term:
Genetic drift
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 |
