from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A linear strand of DNA and associated proteins in the nucleus of eukaryotic cells that carries the genes and functions in the transmission of hereditary information.
- noun A circular strand of DNA in bacteria and archaea that contains the hereditary information necessary for cell life.
from The Century Dictionary.
- noun In cytology, one of the definite segments or pieces of chromatin of the cell-nucleus.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Biol.) One of the minute bodies into which the chromatin of the nucleus is resolved during mitotic cell division; the
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun biology, cytology A
structurein the cell nucleusthat contains DNA, histone protein, and other structural proteins.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a threadlike strand of DNA in the cell nucleus that carries the genes in a linear order
from Wiktionary, Creative Commons Attribution/Share-Alike License
Genitourinary malformations in chromosome 22q11. 2 deletion.
Elizabeth Goldmuntz, MD: So you can see that the genetic basis of these disorders can encompass either complete change in chromosome number, like having a complete extra copy of a chromosome.
The doctor may also look at the blood for changes in chromosome 13.
JRA-like polyarthritis in chromosome 22q11. 2 deletion syndrome (DiGeorge anomalad/velocardiofacial syndrome/conotruncal anomaly face syndrome).
Lack of correlation between impaired T cell production, immunodeficiency, and other phenotypic features in chromosome 22q11. 2 deletion syndromes.
Do they match the variation in chromosome numbers?
So, adding some Y chromosome is supposed to be a good thing?
The research shows that, for the bearded dragon at least, the W chromosome is not necessary in producing a female.
The team suspects that a double dose of a particular gene on the Z chromosome is instead crucial for maleness, and that this gene is inactivated by high temperatures.
It starts out in the first chapter of incorrectly asserting that woman came from man (the Y chromosome is actually evolved from the X – which is proved in the fact that all life starts out female).