Neo-lamarckism, Biology

NEO-LAMARCKISM

  1. Modem modified form of Lamarck theory is regarded as Neo-Lamarckism.
  2. Mc Dougall (1938) found that time taken for training the mice was reducing gradually through generations.
  3. This agrees with Lamarck's idea that acquired learning is passed to the offspring.
  4. Kammerer (1924) kept a species of salamander in black and yellow boxes separately.
  5. This affected the skin colour pattern in their offsprings.
  6. Sumner (1910) Rats reared at warmer temperature had long tail and pinna, which continued in their offsprings.
  7. Tower (1952) found inheritable changes in all stages of potato beetle if subjected to varied temperature, humidity and other conditions.
  8. He also found the change at nucleic acid level due to effect of radiation.
Posted Date: 10/9/2012 1:12:03 AM | Location : United States







Related Discussions:- Neo-lamarckism, Assignment Help, Ask Question on Neo-lamarckism, Get Answer, Expert's Help, Neo-lamarckism Discussions

Write discussion on Neo-lamarckism
Your posts are moderated
Related Questions
Define the effect of Zinc Deficiency? Zinc deficiency was identified for the first time in 1940 when malnourished Chinese patients were found to have low concentrations of zinc

Q. Primary prevention of diabetes mellitus? Approaches to Prevention: There are various approaches to prevention. Four levels of prevention related to different stages of a di

Define Absorption of Dietary Iron? Haem iron is more bioavailable than non-haem iron because it is absorbed intact as a soluble complex by endocytosis (process whereby cells ab

Point out Research Findings Related to Cancer Prevention? In this section we shall discuss some of the research findings related to cancer prevention. Many of the natural, canc

show me the schamatic diagram of chrysomoeba?

Q. What are the major cellular features of fungi? There are pluricellular and unicellular fungi. All fungi are heterotrophs and eukaryotes. Fungi have cells with cell wall m

Define Role in growth and cellular Differentiation? The growth and differentiation of epithelial cells throughout the body are especially affected by vitamin A deficiency.  In

Primary  Tubercle  (Ghon Tubercle): When  an  individual with  no  previous exposure  to  tuberclosis inhale a sufficient number of  tubercle bacilli into the alveoli, tubercu

Ecosystem as a Unit of Nature An ecosystem can be visualised as a functional unit of nature representing complex interactions between living and non-living components. Th

What are the Maximum Crop Yields   Mitscherlich conducted a large number of experiments with different plants, making use of pots 20 cm in diameter and 20 cm in depth. By addin