Advertisements
Advertisements
प्रश्न
What is inheritance of acquired characters?
Advertisements
उत्तर
The ability of living organisms to transfer the characters which they have acquired, to the next generation is called inheritance of acquired characters.
APPEARS IN
संबंधित प्रश्न
a) Explain in brief - Lamarck’s principle of ‘use or disuse of organs’.
b) Give two examples.
c) What are ‘acquired characters’?
The first scientist who proposed his theory for evolution was ______.
Explain the occurrence of vestigial organs on the basis of Lamarck's theory of use and disuse.
Explain Lamarck’s Principle.
The ‘use and disuse theory’ was proposed by ______.
The use and disuse theory of organs’ was postulated by Charles Darwin.
The degenerated wing of a kiwi is an acquired character. Why is it an acquired character?
Observe the figure given below and answer the questions that follow:
- What is the figure depicting?
- What was the reason that the giraffe stretched their neck and forelimbs?
- What is the name of the theory that is being depicted in the figure?
- Who explained the theory?
- What is the conclusion of this theory?
According to the postulate on the 'Formation of New Organs', a new organ develops in response to which factor?
According to the 'Use and Disuse of Organs' principle, what is the effect of continuous disuse of an organ?
How were webbed feet in swimming birds explained under Lamarck's evidences?
August Weismann dealt the greatest blow to Lamarckism through which theory?
According to the scientific conclusion that rejected Lamarckism, modifications caused by the environment or the 'use and disuse' of organs only affect which cells?
For an acquired trait to be transmitted to the next generation, which of the following cell types would need to be altered?
A newborn rat in Weismann's experiment was born with a normal tail even though its parents' tails had been cut off. This outcome directly contradicts which postulate of Lamarckism?
