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

Can you explain anticodon, Q. How are amino acids brought to the cellular s...

Q. How are amino acids brought to the cellular site where translation takes place? What is an anticodon? Amino acids are brought to ribosomes by RNA molecules known as transfer

What is ionic bonds, What is Ionic bonds ? Ionic Bonds :  Ionic bonds...

What is Ionic bonds ? Ionic Bonds :  Ionic bonds hold atoms together in crystals. They form when oppositely charged atoms, or ions, join (opposite charges attract) to equaliz

Describe pulsus paradaxus pulse volume, Describe pulsus paradaxus pulse vol...

Describe pulsus paradaxus pulse volume? Pulsus Paradaxus: Pulse volume becomes smaller in inspiration and larger in expiration. This is an exaggeration of normally occurring ph

Snail, what are the negative and positive economic importance of snai

what are the negative and positive economic importance of snai

Can you explain shellfish poisoning, Q. Can you explain Shellfish Poisoning...

Q. Can you explain Shellfish Poisoning? Shellfish like oysters, mussels and clams are generally bred in the sewage polluted beds or brackish water. The shellfish poisoni

Explain an overview of water soluble vitamins, Explain An Overview of Wate...

Explain An Overview of Water Soluble Vitamins? Vitamins, we already know, are classified by the materials in which they will dissolve. Fat-soluble vitamins -vitamin A, D, E a

Define indicators of mg status - total serum mg, Define indicators of Mg st...

Define indicators of Mg status - Total Serum Mg? Several indicators of Mg status have been described. i) Total Serum Mg: Serum Mg concentration are routinely measured to ass

Principles of cardiopulmonary bypass mechanism (cpb), PRINCIPLES OF CARDIOP...

PRINCIPLES OF CARDIOPULMONARY BYPASS MECHANISM (CPB) What is CPB? It is a technique by which the mechanical function of the heart and respiratory function of the lungs

How you would accomplish cloning using of numbered steps, A restriction map...

A restriction map of plasmid and a human gene of identified sequence is demonstrated below. Your job is to clone the human liver cDNA for that gene than the start codon is closer t

Fowl pox, F o wl pox Fowl pox is a contagious disease of birds, cause...

F o wl pox Fowl pox is a contagious disease of birds, caused by a member of family Poxviridae, characterized by wart-like nodules on the skin and diphtheritic necrotic membra

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