Chromosome

Chromosome walking is a technique to clone a gene (e.g., a disease gene) from its known closest markers. The closest linked marker (e.g., EST or a known gene) to the gene is used to probe a genomic library.
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chromosome theory of inheritance
the established theory that genes are linked to chromosomes and that chromosomes are the carriers of the genetic material
Source: Jenkins, John B. 1990. Human Genetics, 2nd Edition. New York: Harper & Row ...
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Chromosome size and centromere position are, in many species, insufficient to unambiguously identify each of the chromosomes. Centromeres are not clearly recognizable on all chromosomes.
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Chromosome Links
Chromosome Launchpad
This site is provided as a single-source launchpad to information about each human chromosome.
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Chromosome Numbers
All animals have a characteristic number of chromosomes in their body cells called the diploid (or 2n) number.
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A chromosome with two genetically and morphologically identical arms.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
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Y chromosome-linked diseases
No vital genes reside only on the Y chromosome, since 50% of humans do not have Y chromosomes.
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Biology Chromosome

Related Terms ...
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Definition of chromosome : ...
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Chromosome walking is a method in genetics for identifying and sequencing long parts of a DNA strand, e.g., a chromosome.
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The Y chromosome contains a gene called SRY (for sex-determining region of Y).
Females
Testicular Feminization ...
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base pair, chromosome, cloning, deoxyribonucleic acid (DNA), genome, yeast artificial chromosome (YAC)
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Chromosome walking
Method involving hybridizing a primer of known sequence to a clone from an unordered genomic library and synthesizing a short complementary strand (called walking along a chromosome).
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Chromosome: a self-replicating genetic structure, composed primarily of proteins and DNA, which carry nucleotide sequences known as genes.
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chromosomes - structure composed of a very long DNA molecule and associated proteinsthat carries part (or all) of that hereditary information of an organism.
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Chromosomes are divided into genes, each gene being a stretch of DNA, i.e., a sequence of nucleotides (A,G,C,T for short). The location of a gene is called a locus. (The position of a nucleotide within a gene is called a site.
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Chromosomes
Structures in the cell nucleus, each containing the DNA for many hundred genes, packaged with proteins.
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chromosome -- Linear piece of eukaryotic DNA, often bound by specialized proteins known as histones.
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Chromosome
A self-replicating DNA molecule that carries essential genetic information for growth and replication of a cell or virus.
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Chromosome deletions may also be associated with other syndromes such as Wilm's tumor.
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CHROMOSOME WALKING - The sequential isolation of clones carrying overlapping sequences of DNA which span large regions of a chromosome. Overlapping regions of clones can be identified by hybridization.
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Chromosome. A single DNA molecule, a tightly coiled strant of DNA, condensed into a compact structure in vivo by complexing with accessory histones or histone-like proteins. Chromosomes exist in pairs in higher eukaryotes. (See Chromosome walking.) ...
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Chromosome pairs of the same length, centromere position, and staining pattern that possess genes for the same characters at corresponding loci. One homologous chromosome is inherited from the organism's father, the other from the mother.
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chromosomes: linear units of DNA.
chyme: a soupy liquid formed in the stomach from the churning of the bolus with gastric juices.
circulatory system: the transport system in animals.
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Chromosome walking: A technique for cloning everything in the genome around a known piece of DNA (the starting probe).
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Chromosome jumping: A technique whereby one starts with a piece of DNA from one region of a chromosome, and obtains clones from nearby regions without cloning everything in between (as in chromosome walking; see below).
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chromosome
a long, threadlike association of genes in the nucleus of all eukaryotic cells and most visible during mitosis and meiosis. Chromosomes consist of DNA and protein.
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Chromosome
:
Structure in a cell nucleus that carries the genes. Each chromosome consists of one very long strand of DNA, coiled and folded to produce a compact body. They become more compact and visible during metaphase of cell division.
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chromosome Rodlike structure that appears in the nucleus of a cell during mitosis; contains the genes responsible for heredity.
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Chromosome a distinguishable unit of genetic material in the nucleus of a dividing cell made of DNA and protein and carries genes
(chromo = color; soma = body) ...
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Sex chromosomes: The X and Y chromosomes in human beings that determine the sex of an individual. Females have two X chromosomes; males have one X an d one Y. Single strand: One half of a DNA double helix.
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Sex chromosomes are a relatively recent invention. Our ancestors in the tree of evolution did not have two sex chromosomes that are fully differentiated the way we know them with an X and a Y chromosomes.
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between chromosomes,
genes and alleles and their role in sex determination
- ...
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polytene chromosome - large chromosome resulting from repeated DNA replication and alignment of homologs in the absence of mitosis; found in salivary glands and some other tissues of dipteran insects.
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Alternate forms of a gene or DNA sequence, which occur on either of two homologous chromosomes in a diploid organism. (See DNA polymorphism.) Alternative mRNA splicing. The inclusion or exclusion of different exons to form different mRNA transcripts.
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Amniocentesis -- prenatal diagnosis method using cells in the amniotic fluid to determine the number and kind of chromosomes of the fetus and, when indicated, perform biochemical studies. Amniocyte -- cells obtained by amniocentesis.
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centromere A specialized region of a chromosome which serves as the attachment point for the mitotic or meiotic spindle. cerebroside Sphingolipid containing one sugar residue as a head group, e.g. glucosylceramide.
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Anaphase - phase of mitosis in which the chromosomes begin to pull to opposite poles of the cell
Abiogenesis - spontaneous generation, nonliving matter yielding life ...
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Artificial chromosome A vector constructed from host cell chromosomal elements such as origin of replication, telomeres and centromere (in eukaryotes).
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Chromosome: rod-shaped bodies in the nuclei of cells that consist of a string of genes and maintain the structure or arrangement of the genetic code (DNA).
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All the genes and intervening DNA together make up the genome of an organism, which in many species is divided among several chromosomes and typically present in two or more copies.
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In transfected cells, mutated tau forms (corresponding to tau mutations identified in familial forms of frontotemporal dementias linked to chromosome 17) were less efficient in their ability to sustain microtubule growth.
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multiple chromosomes, and
a myotic cycle.
This classification includes animals, plants, and fungi.
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Genetic locus. A location on a chromosome (possibly of a diploid organism with variants that segregate according to the rules of Mendelian heredity)
Genetic polymorphism. Presence of several genetically controlled variants in a population ...
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A pair of homologous chromosomes closely adjacent to each other formed during the first meiotic division within a primary spermatocyte or oocyte.
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In modern research, genetics provides important tools in the investigation of the function of a particular gene, e.g. analysis of genetic interactions. Within organisms, genetic information generally is carried in chromosomes, ...
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