Theory of embryology -recapitulation theory / biogenetic law, Biology

Assignment Help:

RECAPITULATION THEORY / BIOGENETIC LAW

It was proposed by Muller & Haeckel on the basis of Baer's law.

According to it, in the development of animal phylum characters are formed first & species characters are formed in the last.

Hackel proposed recapitulation theory & explained that 'ontogeny repeats phylogeny' i.e. ontogenic development of the animal repeats the evolutionary history of the animal.

"Ontogeny repeats Phylogeny" -

887_biogenetic law.png

Induction of metamorphosis started by thiourea


Related Discussions:- Theory of embryology -recapitulation theory / biogenetic law

Biostatistic.., biostatistical application in biotechnology

biostatistical application in biotechnology

List the advantages of stage 2 surgery using a tissue punch, List the advan...

List the advantages and disadvantages of stage 2 surgery using a tissue punch. Advantages - Less traumatic to surrounding tissue - Faster progress to the impression proce

Coeleterates, what are the characteristics of cleavage formed in coelentera...

what are the characteristics of cleavage formed in coelenterates?

How membrane voltage increases, Consider an axon of a neuron. At time=t1, i...

Consider an axon of a neuron. At time=t1, its voltage is at threshold for an action potential; at time=t2, its voltage is at 0 millivolts prior to the peak of that action potential

State the prevention of campylobacteriosis diseases, State the prevention o...

State the prevention of Campylobacteriosis Prevention: the various ways to prevent campylobacteriosis are: Wash hands before preparing foods. Wash hands immediatel

Hematology case study , would i be able to get help on these case study que...

would i be able to get help on these case study questions

Development of reserves - conservation of wildlife, Development of Reserves...

Development of Reserves - Conservation of Wildlife Establishment of Biological reserves, National parks, Forest reserves, Wildlife refuges and Biosphere reserves are effective

Determine the psychological problems, Psychological Problems Failure to...

Psychological Problems Failure to fulfill the patient's expectations and failure to gain the patient's acceptance and satisfaction constitutes a psychological failure. It is hi

Explain congenital heart disease, Explain congenital heart disease ? No...

Explain congenital heart disease ? No systematic surveys have been conducted to estimate the incidence of CHD at birth in India and other developing countries. As a result ther

Genomic dna from the sea urchin, Eric Davidson isolated and compared the se...

Eric Davidson isolated and compared the sequences of mRNA transcripts and genomic DNA from the sea urchin. Which of the following is a true statement regarding his findings? A.

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