During a science lecture on evolution and inheritance, Amit got confused and went to clear his doubts. He asked, if characters can be passed to the future generation, then why does not he have the tattoo that his mother has on her arm. The teacher smiled and told him about inherited and acquired characters.
(i) What are inherited and acquired characters?
(ii) The tattoo on the arm of Amit’s mother was not present on Amit’s arm. Give a scientific reason.
(iii) What values are shown by Amit?
Answers
Answer:
Explanation:
1)
acquired traits: acquired traits are those traits which are developed during the lifetime of an individual. these traits are not passed onto the next generation .their effect is only on the somatic cells which does not get inherited to another generation
for example loss of body weight due to starvation
inherited traits: inherited traits are those traits that are transmitted from parents to the offspring. inherited trait is genetically determined characteristic that distinguishes a person. these have effects on the non somatic cells which pass to the progeny
for example colour of hair and eye
2) the tattoo on on the arm of Amit's mother was not present on Amit's arm because it is a trait that is developed during the lifetime of amit's mother and hence it does not bring any change in the DNA of the germ cell and therefore cannot passed to the next generation
3) amit shows that students should must ask their doubts to their teacher without any fear