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
Post pa r turient haemoglobinuria It is also known as puerperal haemoglobinuria or nutritional haemoglobinurea and results in intravascular haemolysis, haemoglobinuria and a

Explain fixed performance system in oxygen therapy? Fixed Performance Systems: These devices are capable of delivering a fixed, preset concentration of oxygen regardless of t

Types of Mechanism - Stress Condition Plants have evolved a variety of mechanisms to withstand stress conditions. In many cases we can precisely define the way plants enable t

Explain Extra Cardiac Conduit Fontan ? This can be done with or without cardipulmonary bypass. First step is to make a bi-directional Glenn shunt. The main pulmonary artery is

What is Brown Algae ? Phaeophyta are commonly known as brown algae; precisely because they are - guess what? - brown in color! They are brown because they contain brown colored

ARTIFICIA L KIDNEY - Dialysis employs the process of diffusion across a semipermeable membrane to remove unwanted urea . Dialysis is of 2 types - 1. Haemodialysis -

What are some industrial processes that use bacteria? Bacteria are used by industry in many ways. There are vaccines made of attenuated pathogenic bacteria or of antigens prese

What are the main human diseases caused by fungi? The main human diseases caused by fungi are coccidioidomycosis, histoplasmosis, blastomycosis, paracoccidioidomycosis, or Sout

assignment for discussing DNA REPAIR

Explain ozone shield? Name two gases that can cause damage to this shield. Give one harmful effect of this damage each on plants and animals.