Lampbrush chromosomes, Biology

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

Posted Date: 10/8/2012 3:16:58 AM | Location : United States







Related Discussions:- Lampbrush chromosomes, Assignment Help, Ask Question on Lampbrush chromosomes, Get Answer, Expert's Help, Lampbrush chromosomes Discussions

Write discussion on Lampbrush chromosomes
Your posts are moderated
Related Questions
Describe in brief about failing implant The failing implant may show evidence of pocketing, bleeding upon probing, purulence, and indicates the bone loss patterns are progressi

I am trying to get help on the creation of a dataset for protein prediction in matlab

what is omn viva ex ova?

Basic Instruments /Equipment Used In biochemical laboratories and important Working tips The first practical in this manual will orient you to the various equipment, apparatuses

what are intergenic interactions ? please explain with example of cross breeding. and how we calculate the phenotype and genotype. explain epistasis, duplicate genes, supplementary

Meroblastic or partial cleavage The egg does not divide totally because divisions are restricted to only a part of the egg where as the rest of the egg remains completely uncl

Based on the scientific name. Streptococcus agalactiae what morphology would you expect these cells to have?

Define Components of Total parenteral nutrition? Glucose: Initiated at the rate of 6 mg/kg/min and increased upto 12-1.4 mg/kg/min, but care to be taken to prevent hyperglyce

What is Strobilization. Elaborate. The process which converts scyphostome into a strobila during the life cycle of schyphozoans, jellyfish. Transverse divisions of strobila pro