Neo-lamarckism, Biology

Assignment Help:

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.

Related Discussions:- Neo-lamarckism

Aba - dormancy, ABA - Dormancy Abscisic acid functions as an antagonis...

ABA - Dormancy Abscisic acid functions as an antagonist of all three promoters like IAA, GAS and Cytokinins. ABA nullifies the activity of GA, IAA and cytokinin right by a)

Define reaction of fehling solution with lactose, Define Reaction of Fehlin...

Define Reaction of Fehling solution with lactose? After complete reduction of cupric ions, the indicator is reduced by lactose to a leuco compound, restoring the red colour of

Red flowers is crossed with a white-flowered plant, A plant with red flower...

A plant with red flowers is crossed with a white-flowered plant of the similar species. All the seeds, when grown, produce plants with red flowers. Assuming that the flower colour

Chest complications-peri operative problems, Chest Complications : Many of...

Chest Complications : Many of the patients undergoing coronary artery bypass surgery have risk factors for post-operative lung complications. These include old age, chronic obstru

Fatty Acids, How can I construct a fat molecule whose fatty acid tails are ...

How can I construct a fat molecule whose fatty acid tails are 4 carbon atoms long

How many different genotypes can the individual present, Considering a pair...

Considering a pair of homologous chromosomes containing a gene having two different alleles how many different genotypes can the individual present? If a gene of the diploid sp

Zoology, what is hydrostatic skeleton?

what is hydrostatic skeleton?

Pulmonary valvotomy cardio bypass and use cardioplegia, Pulmonary Valvo...

Pulmonary Valvotomy on Cardio Pulmonary Bypass and use of Cardioplegia :  Single aortic cannulation and separate SVC and IVC cannulation arc done. The cavae are snared to

Respiration, how energy enters and then flows through a biological system

how energy enters and then flows through a biological system

Describe physical inactivity in lifestyle risk factors, Describe Physical I...

Describe Physical Inactivity in lifestyle risk factors? Prospective epidemiological studies have shown that a sedentary lifestyle is associated with an adverse effect on the ri

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd