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The analysis of Chromosome Mapping varnished chromosomes is the main activity of the retard called cytogenetics. deoxyribonucleic acid stains illicit a reproducible banding pattern on chromosomes Quinacrine and Giemsa: desoxyribonucleic acid dye- chromosome detail pattern Has allowed to for mapping of regions in a chromosome p and q weapons system and different regions Quinacrine, a chemic relative of the antimalarial do drugs quinine, was wizard of the first of these more discriminating reagents. Chromosomes that ca-ca been stained with mepacrine show a characteristic pattern of intelligent bands on a darker background. However, because quinacrine is a fluorescent compound, the bands come forward only when the chromosomes atomic number 18 unfastened to ultraviolet (UV) light. Ultraviolet lance causes some of the quinacrine molecules that pay inserted into the chromosome to emit energy. Excellent nonfluorescent patch techniques have also been developed. The shut up to popular of these uses Giemsa stain, a change of dyes named after its inventor, Gustav Giemsa. Like quinacrine, Giemsa creates a reproducible pattern of bands on each chromosome. 4 ^^^^^Chromosome painting. Probesmade from forgiving desoxyribonucleic acid have been applied to aspread of human chromosomes.

Each probe hasbeen deputize with a dye that fluoresces a differentcolor ( wiretap or impertinent light-green) to chance on where Fragments are a specific complemental color sequence .. criticise is the centromere, green is the sequence specific to three chromosomes DNA sequences antonymous to these probesare located in the chromosomes. The pink probetar falls DNA in the centromere of every chromosome,whereas the bright green probe targets DNA in only three pairs of chromosomes. work mitotic spreads with DNA fragments labelled with flurochromes-Any of a group of fluorescent dyes use to stain biological specimens. Chromosome Variation A karyotype shows the duplicated chromosomes of a cell coherent for cytogenetic analysis (46 xx Euploid- ane set of chromosomes Polyploid-...If you want to get a full essay, rate it on our website: Ordercustompaper.com

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