Home › Maharashtra SSC (Class 10) › Biology › Heredity and Evolution › Lamarck used the long neck of the giraffe to ill…
Lamarck used the long neck of the giraffe to illustrate the inheritance of which kind of characters?
AInborn characters
BAcquired characters
CRecessive characters
DDominant characters
Answer & Solution
Correct answer: B. Acquired characters
1. Lamarck said the giraffe's neck lengthened from browsing on tall plants over generations.
2. Such characters gained during an organism's life are acquired characters.
3. He claimed these acquired characters are inherited by the next generation.
4. Inborn characters are present from birth, a different idea, so they are ruled out.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 1 "Heredity and Evolution", p.17_
Related questions
Which is regarded as the first example of wise-man (Homo sapiens) in human evolution?The wise-man, whose brain was sufficiently evolved about fifty thousand years ago, is knowThe first record of a human-like animal is preserved in the form of which ape from North IApart from genetic variation, which type of isolation is stated to lead to speciation?A species is defined as a group of organisms that can produce fertile individuals through:Which part of Lamarck's theory was rejected after repeated verification?Lamarck's explanation that an organ becomes strong or weak according to how much it is useThe central idea preached by Darwin's theory of natural selection is the: