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प्रश्न
Why is it not possible to reconstruct the whole organism from a fragment in complex multicellular organisms?
उत्तर
The reason is that many multi-cellular organisms are not simply a random collection of cells. Specialised cells are organised as tissues, and tissues are organised into organs, which then have to be placed at definite positions in the body. Therefore, cell-by-cell division would be impractical.
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संबंधित प्रश्न
The number of chromosomes in parents and offsprings of a particular species undergoing sexual reproduction remain constant due to:
Factors responsible for the rapid spread of bread mold on slices of bread are ______
(i) a large number of spores
(ii) availability of moisture and nutrients in bread
(iii) presence of tubular branched hyphae
(iv) formation of round shaped sporangia
In the following Question, the Assertion, and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following
Assertion: In human beings, the female. play a major role in determining the sex of the offspring.
Reason: Women have two X chromosomes.
Characters transmitted from parents to offspring are present in
Factors responsible for the rapid spread of bread mould on slices of bread are
- large number of spores
- availability of moisture and nutrients in bread
- presence of tubular branched hyphae
- formation of round shaped sporangia
What is a clone? Why do offsprings formed by asexual reproduction exhibit remarkable similarity?
Write two points of difference between asexual and sexual types of reproduction. Describe why variations are observed in the offspring formed by sexual reproduction.
Lila observed that a pond with clear water was covered up with a green alga within a week. By which method of reproduction did the algae spread so rapidly?
The ‘eye’ of the potato plant is what
Sexual reproduction in angiosperms leads to variation, which is for ______.
