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

What is leghemoglobin, The  nitrogenase  complex  is  extremely  sensitive ...

The  nitrogenase  complex  is  extremely  sensitive  to  inactivation  by  O2,  so  the enzyme  must be protected  from this reactive  substance.  During the root nodules of legumi

Phylum Arthropoda, What is an example of animal coming from the phylum art...

What is an example of animal coming from the phylum arthropoda?

Illustrate the diabetic contract of the eye, Illustrate the diabetic contra...

Illustrate the diabetic contract of the eye? Diabetic Cataract: 1) Sorbitol Aldose Pathway: In patients with diabetes, there is increase in sugar alcohol which results in

What are the functions of biotin, What are the functions of biotin and pant...

What are the functions of biotin and pantothenic acid for the body? How are these vitamins obtained? Biotin (also called as vitamin B8) is a vitamin that acts in the metabolism

Explain the determination of hydrolysis, Explain the Determination of Hydro...

Explain the Determination of Hydrolysis Hydrolysis of calcium pantothenate in acidic medium produces  α,γ-dihydroxy-β,β-dimethylbutyrolactone, which reacts with hydroxylamine i

Regulation of senescence, Regulation of Senescence Senescence is a par...

Regulation of Senescence Senescence is a part of a developmental sequence of events and has to be a controlled process. You must have seen that if you cut twigs having leaves

Determine the emerging clinical use of brain, Determine the Emerging clinic...

Determine the Emerging clinical use of brain Emerging clinical uses include identifying brain regions from which epileptic seizures emanate and confirming diagnoses of neurodeg

How to use a key, Q. How to Use a Key? The use of a key is analogous to...

Q. How to Use a Key? The use of a key is analogous to travelling a high way, that forks repeatedly, each fork having roadside directions. If a traveller follows the proper dire

Feline panleukopenia, Feline panleukopenia It is arguably the most importa...

Feline panleukopenia It is arguably the most important of all feline viral diseases and all members of the family Felidae are susceptible. This disease is commonly found in kitten

Define lactobacillus, Mention the product and its use formed by each the mi...

Mention the product and its use formed by each the microbes listed below: i)  Lactobacillus ii) Streptococcus iii)  Saccharomyces cerevisiae

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