Advertisements
Advertisements
प्रश्न
List two differences between acquired traits and inherited traits by giving an example of each.
उत्तर
Differences between Acquired Traits and Inherited Traits
Acquired Traits | Inherited Traits | ||
i | These are somatic variations. | i | These are genetic variations. |
ii | Acquired traits develop due to the effects of environmental factors, use and disguise of organs and special (conscious) efforts. | ii | Inherited traits develop due to a reshuffling of genetic material and mutations. |
iii | These traits develop throughout the lifetime of an individual. | iii | These traits are transferred (inherited) by the parents to their offspring. |
iv | Example-Learning of dance, music, etc. and muscular body of a wrestler. | iv | Example-Attached or free earlobe and curly hair. |
APPEARS IN
संबंधित प्रश्न
Explain the concept ‘survival of the fittest’.
In evolutionary terms, we have more in common with
A black mouse mates with a brown mouse, and all the offsprings are black.
(a) Why are no brown offsprings produced?
(b) If two of the black offsprings mate with each other what kind of offspring would you expect and in what proportions? Give reason for your answer.
Scientists believe that all life originated in :
(a) the sea
(b) the soil
(c) the ground
(d) the air
Write short notes based upon the information known to you.
Evolution
Very short answer question.
Define Organic evolution.
Short answer question.
Write a note on Genetic drift.
____________ results in variation in gene frequencies within population by chance rather than by natural selection.
The sequence of gradual changes which takes place in the primitive organisms over millions of years in which new species are produced is known as ______
What is a connecting link?