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Topic: Chromosome 13 (human)

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	Human Chromosome 13
		Chromosome 13 is the largest human acrocentric chromosome.
		The short arm of the chromosome is heterochromatic and is homologous to the short arms of chromosomes 14, 15, 21 and 22.
		The systematic sequencing of chromosome 13 began at the Sanger Institute in 1998.
	www.sanger.ac.uk /HGP/Chr13 (207 words)

	Ring Chromosome 13 Syndrome
		A case of ring 13 syndrome in an 18-year-old male is presented with particular focus on mental retardation.
		Furthermore, in contrast to the characteristic description of ring chromosome 13 syndrome which describes marked mental retardation a small number of cases with mild mental retardation exist.
		Chromosomal analysis performed on 30 peripheral blood lymphocyte by the G-Banding technique revealed ring chromosome 13 in all 30 cells.By high- resolution G-Banding the breakpoints were identified (Fig 2)*.
	www.disability-science.org /chromosome13.htm (1444 words)

	Chromosome 13 - Genetics Home Reference (Site not responding. Last check: 2007-11-05)
		Chromosome 13 is one of the 23 pairs of chromosomes in humans.
		Chromosome 13 spans about 113 million base pairs (the building material of DNA) and represents between 3.5 and 4 percent of the total DNA in cells.
		Genes on chromosome 13 are among the estimated 20,000 to 25,000 total genes in the human genome.
	ghr.nlm.nih.gov /chromosome=13 (663 words)

	Developmental Biology Online: Human Meiosis
		In humans, for example, if nondisjunction of chromosome 13 occurs during first meiotic division, half the gametes will have an extra copy of chromosome 13 and thus contain 24 chromosomes instead of the normal haploid number of 23.
		Chromosome 21 is actually the smallest human autosome, and it has regulatory genes that control mental functions, stature, and the morphogenesis of hearts, fingers, and facial musculature.
		Infants with trisomies of chromosomes 13 and 18 are sometimes born, but their developmental anomalies are too great, and the babies usually die shortly after birth (see Mange and Mange, 1999).
	www.devbio.com /printer.php?ch=19&id=189 (1756 words)

	PATAU SYNDROME : Contact a Family - for families with disabled children: information on rare syndromes and disorders
		Chromosome are rod-like structures present in the nucleus of all body cells, with the exception of the red blood cells.
		Other chromosome 13 defects are partial trisomy 13 where an unbalanced translocation or ring formation occurs.
		In an unbalanced translocation a chromosome or part of a chromosome is absent from its pair and exchanges position with a chromosome from another pair.
	www.cafamily.org.uk /Direct/p12.html (886 words)

	ring13-9799.html
		The marker chromosomes were first characterized by cytogenetic techniques and later identified by fluorescence in situ hybridization, using a procedure involving stepwise hybridization of chromosome-specific DNA probes (alpha and classical satellites) at various conditions of stringency.
		There were four cases with bisatellited markers (of chromosome 15 origin), one with acrocentric satellited marker (of chromosome 13 or 21 origin), and two carrying markers that appeared to be autosomal rings (of chromosomes 13 and 18, respectively).
		The authors describe the use of chromosome painting with chromosome 13 and 18 Whole library DNA probe for identification of supernumerary markers in tow patients with congenital disorders.
	www.indiana.edu /~pietsch/ring13-9799.html (4096 words)

	Chromosome 13: Human Genome Landmarks Poster
		These regions reflect the unique patterns of light and dark bands seen on human chromosomes that have been stained to allow viewing through a light microscope.
		Chromosomal regions that vary in staining intensity and are sometimes called heterochromatin (meaning "different color").
		(e.g., on chromosome 21) denote variable regions, called stalks, that connect a very small chromosome arm (a "satellite") to the chromosome.
	www.ornl.gov /sci/techresources/Human_Genome/posters/chromosome/chromo13.shtml (348 words)

	Gene-poor chromosome 13 sequence completed
		Among the genes identified using the sequence of chromosome 13 are those that can dispose to breast cancer (BRCA2) as well as regions associated with schizophrenia and one containing a gene implicated in asthma.
		One of the most remarkable results is just how few genes there are on chromosome 13 - although for the first time, researchers have used methods to predict the locations of a class of genes - so-called microRNA genes - which are important in controlling the activity of other genes.
		Andy Dunham, leader of the team at the Wellcome Trust Sanger Institute, said: "Chromosome 13 has a dramatic genomic landscape, in the centre of which is a huge 'desert' of only 47 genes.
	www.wellcome.ac.uk /en/genome/thegenome/hg01n009.html (301 words)

	GNN - Two More Human Chromosomes Are Complete (Site not responding. Last check: 2007-11-05)
		A chromosome sequence is “finished” when most of the gaps and errors in the DNA sequence from draft versions have been eliminated.
		This chromosome was among those originally targeted by the U.S. Department of Energy for sequencing in the days before the human genome project because it contained genes thought to be associated with cancer and the repair of damaged DNA.
		To gain an evolutionary perspective on the chromosome, the researchers compared it to chromosomes in mice and rats, and found that the “gene poor” areas of the chromosome 13—stretches where there are relatively few genes—were highly similar to sequences in rodents.
	www.genomenewsnetwork.org /articles/2004/03/31/chromosomes.php (420 words)

	Human Chromosome 13 Compensates a DNA Repair Defect in UV-Sensitive Mouse Cells by Mouse--Human Cell Hybridization -- ...
		Human Chromosome 13 Compensates a DNA Repair Defect in UV-Sensitive Mouse Cells by Mouse--Human Cell Hybridization -- Hori et al.
		A human chromosome responsible for excision repair of UV-induced DNA damage has been identified by studying somatic cell hybrids between an UV-sensitive mutant of mouse lymphoma L5178Y cells and normal human lymphocytes.
		Karyotype analysis of the segregants gave evidence that a gene on human chromosome 13 compensates for UV hypersensitivity of Q31 mutant.
	www.pnas.org /cgi/content/abstract/80/18/5655 (219 words)

	Chromosome 13 (Site not responding. Last check: 2007-11-05)
		Chromosome 13 Chromosome 14 Chromosome 15 Chromosome 16.
		Chromosome 17 Chromosome 18 Chromosome 19 Chromosome 20...
		the reciprocal transfer of the long arms of two of the acrocentric chromosomes: 13, 14, 15, 21 or 22.
	www.e-dna-tests.info /resources/chromosome-13.html (281 words)

	Human Chromosome 13
		Chromosome 13 - BACs -- University of California, Santa Cruz release
		Chromosome: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 X Y
		For answers to questions about genetics or the Human Genome Project visit our Human Genome Project Information web site at http://www.ornl.gov/hgmis/ or contact us via this form.
	www.ornl.gov /sci/techresources/Human_Genome/launchpad/chrom13.shtml (437 words)

	Chromosome 13 : RPResearch
		Chromosome 13, Partial Monosomy 13q is a rare chromosomal disorder in which a portion of the long arm (q) of chromosome 13 is missing (deleted or monosomic).
		Trisomy 13 is a syndrome associated with the presence of a third (extra) number 13.
		case with an abnormal chromosome 13 was a newborn with partial monosomy 13 due to the presence of a ring chromosome 13.
	www.rpresearch.ca /?Top=Chromosome+13 (886 words)

	Chromosomes 9, 10 and 13 completed
		The analysis of the DNA sequence of human chromosome 13, produced by the Sanger Institute, was published in the 1 April 2004 issue of Nature.
		At the end of May, 13 was joined by the sequences of chromosomes 9 and 10, also produced by the Sanger Institute.
		The 131 million base pairs of the chromosome 10 sequence includes 1357 genes, alterations in 85 of which are known to predispose to diseases such as a form of epilepsy (LGI1), obesity (GAD2) and cancer.
	www.wellcome.ac.uk /doc_WTX022101.html (356 words)

	trisomy 13 -- Encyclopædia Britannica
		April 3, 1994, Paris, France), identified (1959) the human chromosomal abnormality linked to Down syndrome, or trisomy 21, one of the most common forms of mental retardation and the first chromosomal disorder to be positively identified.
		However, the newborn incidence represents a small fraction of chromosome mutations, the vast majority being lethal and resulting in prenatal death or stillbirth.
		During the era of the American Revolution and formation of the Constitution, the 13 colonies had become states and were already functioning under their own constitutions.
	www.britannica.com /eb/article?tocId=9002473 (784 words)

	High incidence of chromosome 13 deletion in multiple myeloma detected by multiprobe interphase FISH -- Shaughnessy et ... (Site not responding. Last check: 2007-11-05)
		The chromosome length is not to scale and gaps have been placed in the chromosome to indicate large regions of nonlinkage.
		Chromosome 13 myeloma is a distinct entity with poor prognosis despite tandem autotransplants [abstract].
		Monosomy 13 is associated with the transition of monoclonal gammopathy of undetermined significance to multiple myeloma: Intergroupe Francophone du Myelome.
	www.bloodjournal.org /cgi/content/full/96/4/1505 (4817 words)

	Chapter 13: Human Genetics (Site not responding. Last check: 2007-11-05)
		Human somatic (body) cells have 22 pairs of autosomes, one pair of sex chromosomes; total of 46.
		Chromosomes are then sorted and arranged by homologous pairs, often by computer imaging.
		PKU is caused by a mutated gene on chromosome 12.
	www.sirinet.net /~jgjohnso/apbio13.html (1985 words)

	Human Genetics - UPD Maternal Chromosome 13 (Site not responding. Last check: 2007-11-05)
		The maternal chromosome is shown on the left.
		Ledbetter, D.H. and Engel, E. (1995): Uniparental disomy in humans: development of an imprinting map and its implications for prenatal diagnosis.
		Morison, I.M. and Reeve, A.E.(1998): A catalogue of imprinted genes and parent-of-origin effects in humans and animals.
	www.genes.uchicago.edu /upd/upd13m.html (117 words)

	HUMAN CHROMOSOME #13 (Site not responding. Last check: 2007-11-05)
		Report of the committee on the genetic constitution of chromosome 13.
		Rosnet O, Stephenson D, Mattei M-G, Marchetto S, Shibuya M, Chapman VM, Birnbaum D. Close physical linkage of the FLT1 and FLT3 genes on chromosome 13 in man and chromosome 5 in mouse.
		Warburton D, Chakravarti A. Report of the committee on the genetic constitution of chromosome 13.
	www.il-st-acad-sci.org /genecats/hsa13.html (188 words)

	[No title]
		Human DNA sequence from clone RP3-395K14 on chr...
		Human DNA sequence from clone RP11-268K3 on chro...
		Human DNA sequence from clone RP11-26A3 on chro...
	holly.colostate.edu /~jmin/netn.out (6407 words)

	Human Genome Sequencing Status, June, 1998: Chromosome 13 (Site not responding. Last check: 2007-11-05)
		Human Genome Sequencing Status, June, 1998: Chromosome 13
		Each chromosome of the Human genome is shown with its low resolution banding pattern.
		Regions that are being worked on are indicated by bars to the right of each chromosome, with a different colour for each sequencing centre.
	bioinformatics.weizmann.ac.il /HGP/chr13.html (158 words)

	Biology 440 Human Genetics Webpage
		Human Genome Landmarks This is a useful map that shows the chromosomes, their sizes and some of the disease-related and other genes that have been mapped to these chromosomes.
		A physical map of the human genome This is the original research paper published in Nature in 2001 by the International Human Genome Mapping Consortium (the public project) describing the sequencing of the human genome.
		Human and Ape Chromosomes A discussion of evidence of human evolution from a chromosomal point of view.
	www.pafaculty.net /biology/Biology_440_Human_Genetics_Webpage.htm (3701 words)

	Human Genome Chromosome Databases (Site not responding. Last check: 2007-11-05)
		This is a graphical representation of the status of sequencing each of the human chromosomes.
		Human Chromosome Ideograms can be selected and displayed, courtesy of David Adler.
		Cytogenetics is the study of chromosomes and chromosome abnormalities.
	www.biologie.uni-hamburg.de /b-online/library/genomeweb/GenomeWeb/human-gen-db-chromosomes.html (402 words)

	Study Shows First Significant Genetic Evidence For Schizophrenia Susceptibility
		The research team also found evidence for susceptibility on chromosomes 8 and 22, though neither had the statistical strength of the chromosome 13 area.
		The likelihood of the linkage found on chromosome 13 being due to chance alone, said Pulver, is about two in 100,000.
		The results showed that families in the study with the schizophrenic-like personality disorders were more likely to have genetic ties to chromosomes 8 and 13, where those leaning toward the mood disorder were missing ties to chromosome 8.
	www.eurekalert.org /pub_releases/1998-09/JHMI-SSFS-010998.php (733 words)

	[Biomedical Frontiers:Wi:94] Columbia Gets $6 million for Chromosome 13 Mapping (Site not responding. Last check: 2007-11-05)
		Diseases associated with chromosome 13 mutations include retinoblastoma; Duchenne-like muscular dystrophy; and Wilson's disease, a disorder of copper metabolism causing liver failure.
		Cytogenetic approaches allow for the development of cell lines that contain intact chromosome 13 or chromosome 13 with missing segments that are used for further physical manipulation and cloning.
		Genomic DNA cloned into yeast artificial chromosomes (YACs) 400-1,200 Kb long, as well as cosmids 30-50 Kb long, are constructed from the DNA of these cell lines to help arrange large pieces of DNA in their natural order along the chromosome.
	cpmcnet.columbia.edu /news/frontiers/archives/biomed_v1n2_0006.html (284 words)

	Laboratory Primate Newsletter, Volume 38, Number 1 (Site not responding. Last check: 2007-11-05)
		Analysis of samples from nine lions identified the DNA patterns in the lions to be identical to the pattern found in a majority of park buffaloes.
		Working mainly with human data, she argued that handedness and cerebral asymmetries are controlled by a single gene locus.
		Human infants (6-13 months of age) have also been shown to have strong maternal influences on handedness (Harkins and Michel, 1988).
	www.brown.edu /Research/Primate/lpn38-1.html (18242 words)

	CHAPTER 13, HUMAN GENETICS QUIZ (Site not responding. Last check: 2007-11-05)
		a) caused by a mutated recessive gene on chromosome 21.
		a) caused by mutated gene on chromosome 12.
		Turner syndrome occurs in humans whose cells are missing the Y chromosome.
	www.sirinet.net /~jgjohnso/apbio13quiz.html (1640 words)

	Brca2 (XRCC11) Deficiency Results in Radioresistant DNA Synthesis and a Higher Frequency of Spontaneous Deletions -- ... (Site not responding. Last check: 2007-11-05)
		human chromosome 13 and the murine Brca2 gene.
		Homology-directed DNA repair, mitomycin C resistance, and chromosome stability is restored with correction of a Brca1 mutation.
		Chromosome instability and defective recombinational repair in knockout mutants of the five Rad51 paralogs.
	mcb.asm.org /cgi/content/full/22/2/669 (5970 words)

	Chromosome 13, Partial Monosomy 13q
		It is possible that the main title of the report Chromosome 13, Partial Monosomy 13q is not the name you expected.
		Chromosome 13, Partial Monosomy 13q is usually apparent at birth and may be characterized by low birth weight, malformations of the head and facial (craniofacial) area, abnormalities of the eyes, defects of the hands and/or feet, genital malformations in affected males, and/or additional physical abnormalities.
		In the majority of cases, Chromosome 13, Partial Monosomy 13q appears to occur randomly, for no apparent reason (sporadic).
	my.webmd.com /hw/parenting_and_pregnancy/nord643.asp (495 words)

	anne_bowcockCV.html
		Ph.D. in Genetics and Human Genetics, University of the Witwatersrand, Johannesburg, South Africa.
		A linkage map of human chromosome 15 with an average resolution of 2 cM and containing 54 polymorphic microsatellites.
		Structure and characterization of the human tissue inhibitor of metalloproteinases-2 gene.
	hg.wustl.edu /info/bowcock_CV.html (4886 words)

	sexlink
		Describe the inheritance of the hairy ears characteristic in humans to illustrate a Y-linked trait.
		Results from nondisjunction- failure of sister chromatids in mitosis or homologous chromosomes in meiosis to separate and move to opposite poles of the division spindle
		Cause: failure of all chromosomes to segregate during meiotic divisions Induced by: cold or heat shock during meiosis (applying colchicine during mitosis)
	www.wncc.net /courses/dnash/genetics/sexlink.htm (2147 words)

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