Lampbrush chromosomes, Biology

Assignment Help:

LAMPBRUSH CHROMOSOMES

  1. Discovered by Ruckert.
  2. Lampbrush Chromosomes were seen in Oocytes of several different animals like shark, amphibians, reptiles and birds. (Most distinct in Diplotene stage).
  3. Giant size of these Chromosomes is due to increase in size of Chromonema (not due to number). Chromonema grows in size to form lateral loops.
  4. Synthesis of m-RNA occurs on lateral loops.
  5. Lampbrush    Chromosomes    concerned    with vitellogenesis. (Yolk formation)

572_lampbrush chromosomes.png


Related Discussions:- Lampbrush chromosomes

Intro to Genetics and Punnett Squares , "Height" is an example of a gene, b...

"Height" is an example of a gene, but "Short" is an example of...

Explain about cesium-chloride gradients, Matthew Meselson and Frank Stahl g...

Matthew Meselson and Frank Stahl grew bacteria in media having either N14 or N15 for various numbers of cell divisions. DNA from the bacterial samples were isolated and spun within

What is nuclear pollution, What is nuclear pollution? Nuclear pollution...

What is nuclear pollution? Nuclear pollution having of radiations emitted from atomic nuclei, these radiations is highly injurious to living beings. They can be originated from

Eyes, Are dogs colour blind

Are dogs colour blind

Explain about the foods effect on drug utilization, Explain about the Foods...

Explain about the Foods Effect on Drug Utilization? The following illustrations highlight the effect of food on drug utilization. Liver and green leafy vegetables can decrea

Clinical features of aortic stenosis, Q. Clinical Features of aortic stenos...

Q. Clinical Features of aortic stenosis? Patients with congenital aortic stenosis usually present in childhood or adolescence. Those with rheumatic heart disease present durin

What are the final energetic products of each krebs cycle, What are the fin...

What are the final energetic products of each round of the Krebs cycle? Where is most part of the utile energy at the end of Krebs cycle found? After each round of the Krebs cy

Difference between an ecological niche and a habitat, What is the differenc...

What is the difference between an ecological niche and a habitat? An ecological niche is a set of peculiar activities, resources and methods that a species explores to survive

Explain the failure of implant, Failure of implant The implant is cons...

Failure of implant The implant is considered a failed implant if it presents with even any one of the following features: i) Pain on function (Rule out pain due to soft tis

How does hypophysis- corpus luteum negative feedback work, Q. How does the ...

Q. How does the hypophysis- corpus luteum negative feedback work? What is the name given to the atrophied corpus luteum after this feedback process? After ovulation the estroge

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