Question

1) (a) Explain the concept of inheritance of acquired characters.
b) Discuss Lamark's principle of use and disuse of organs' giving two relevant examples​

Answer 1

Answer:

i) if an individual uses a particle organ will become stronger and if it is not used the organ will weaken . The stronger and weaker organ will then be inherited by the offspring .overtime the organ of these individuals be modified due to their use of disuse. If an organ is disused it may disappear in future generation .

We do not agree with the model of use and disuse of proposed by Lamarck because it suggest that the modification of the organism acquires in the lifetime can be passed along to its offspring .

ii)he is states that the long neck of the giraffe evolved as a cumulative product of many ancestral generation stretching higher and higher .