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DNA Finger Printing
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DNA Fingerprinting | |
DNA Fingerprinting - Glossary |
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Inherited Disorder - A disease caused primarily by changes in a person's DNA, inherited from the parents, rather than some infectious agent or environmental influence. Semen - Thick, whitish fluid containing sperms that is discharged through the penis during ejaculation. Mosaic – An individual with two cell types or more, comprising of different chromosome number or structure Genetic Counselling - A communicative procedure that undertakes to deal with the problems that rise in a family with the occurrence or the risk of occurrence of a genetic abnormality Pedigree - A pedigree involves recording a family’s history and making use of a standard set of symbols to represent the status of each member of the family Allele - An allele is an alternative form of a gene located on a given locus of a chromosome Gene – Genes are located on the chromosomes and carry the information representing a protein Chromosomes - Chromosomes are structures made up of DNA and proteins found in the cells of all organisms.The number of chromosomes is species- specific.In humans it is 46. Genotype - Genotype indicates the genetic constitution of an organism Phenotype - Phenotype refers to the physical appearance of an organism which is controlled by the genotype and the environment Haploid Cell - A cell having only one set of chromosomes,ie.23 numbers in humans Diploid Cell - Having two sets of chromosomes,46 numbers in humans Hybrid - An offspring of parents belonging to two different species,example mule which is the offspring of a horse and donkey Mutation - An inheritable change in the gene or the chromosome Wild Type - An organism having a normal phenotype Mutant - An organism harboring a mutation Trisomy - A condition ,which arises due to the presence of an extra chromosome.An example is Down syndrome, where the individual has an extra chromosome 21 Mitosis - A division by which the cells reproduce, wherein the resultant cells are the replica of the parent cell. Meiosis - A special kind of cell division,called reduction division, that takes place in the testes and the ovaries, which produces eggs and sperms that are haploid Consanguinous marriage - A marriage between two closely related individuals Euploidy - When an organism has the regular chromosome number,example 46 numbers in humans, it is euploid. Aneuploidy - When an organism has an abnormal number of chromosomes as in Down Syndrome,it is known as aneuploidy. |
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Posted by:
Shivani17
Posted on: 08/30/2011 why do we use VNTR's inspite of bulk DNA ?
How VNTR's are related to introns ?
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Posted by:
dimple payal(Guest)
Posted on: 11/26/2008 please tell me method of dnafingerprinting or its mechanism...
Posted by:
guest
Posted on: 08/19/2009 DNA fingerprinting uses electorphoresis, very basically samples are put into aragose gel, through which a current is passed causing the samples to move through the gel. the smaller parts of DNA move faster so the DNA sample is broken out into bands according to its makeup, the bands of different DNA samples can then be compared. i think that is right, if you search gel electrophoresis there a few sites that can tell you more |
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Posted by:
guest
Posted on: 05/15/2007 Which situations[ biological]donot permit to implement DNA analysis/fingerprinting? That is even the cells are dead [ recent or thousands of year old-Mummy],can DNA be extracted and evaluated? |
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