Supernumerary or accessory chromosomes, Biology

SUPERNUMERARY OR ACCESSORY CHROMOSOMES

  1. Wilson (1905) discovered them in Matapodium insect.
  2. Very small Chromosomes present in nucleus in addition to normal number of Chromosomes.
  3. They do not produce any detectable phenotypic expression.
Posted Date: 10/8/2012 3:17:37 AM | Location : United States







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

Write discussion on Supernumerary or accessory chromosomes
Your posts are moderated
Related Questions
In 1798, British economist and demographer Thomas Robert Malthus, published his' essay on population' in which he stated that: 1.      Population increases in a geometric rat

S T ARC H - Polymer of a-D-glucose. Starch is glucosan homopolysaccharide which is the major reserve food of plants. Starch is formed as an end product of photosynt

Q. What is the production of the RNA called and what is the enzyme that catalyzes the procedure? The making of the RNA from information contained in the DNA is called transcrip

Determine the appearance of a plant cell when water is plentiful? When water is plentiful, the central vacuole expands. The other organelles are pushed against the plasma me

Define the term - Stimulus Stimulus and response characteristics of the tests themselves, as well as of the test instructions, become exceedingly important considerations. In g

Explain The Peripheral Nervous System in detail? The peripheral nervous system is divided into the somatic nervous system and the autonomic nervous system. The somatic nervous

Why does bark often die and break naturally? The bark is the mature periderm of the stem, branches and roots. It dies and breaks when these structures grow and thus the perider

Indications for Surgery : Patients usually present with fatigue, dyspnoea and ventricular arrhythmias. If they have additional tricuspid regurgitation, pulmonary valve replacement

Simple interrupted technique of Suturing The simple loop is the most commonly used technique in dentistry and is routinely used to adapt tension free, mobile surgical flaps.

Primary effects 1.      Nuclear contamination 2.      Biological contamination 3.      Chemical contamination 4.      Destruction of infrastructure facilities. 5.