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Stem Cells - Fundamentals
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Stem Cells - Fundamentals
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Stem Cells - Glossary |
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1.Mosaic - An individual with two cell types or more, comprising of different chromosome number or structure 2.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 3.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 4.Allele - An allele is an alternative form of a gene loated on a given locus of a chromosome 5.Gene - Genes are located on the chromosomes and carry the information representing a protein 6.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. 7.DNA - The DNA is the basic unit of heredity and is known as the blue print of life.It carries the genetic codes which stores the necessary information for all organisms. 8.Genotype - Genotype indicates the genetic constitution of an organism 9.Phenotype - Phenotype refers to the physical appearance of an organism which is controlled by the genotype and the enviornment 10.Haploid Cell - A cell having only one set of chromosomes,ie.23 numbers in humans 11.Diploid Cell - Having two sets of chromosomes,46 numbers in humans 12.Hybrid - An offspring of parents belonging to two different species,example mule which is the offspring of a horse and donkey 13.Mutation - An inheritable change in the gene or the chromosome 14.Wild Type - An organism having a normal phenotype 15.Mutant - An organism harboring a mutation 16.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 17.Mitosis - A division by which the cells reproduce, wherein the resultant cells are the replica of the parent cell. 18.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 19.Consanguinous marriage - A marriage between two closely related individuals 20.Euploidy - When an organism has the regular chromosome number,example 46 numbers in humans, it is euploid. 21.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:
Anandkumarsrivastava
Posted on: 04/25/2012 I am based in Delhi. How can I avail of your services? how about the costs etc? A.K. Srivastava
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Posted by:
reejatharu
Posted on: 08/24/2010 we can get totipotent stem cells from human embryos that are created invitro in ART labs.
Posted by:
guest
Posted on: 08/30/2010 Hello, I am a c2/c3 quad on a ventilator. I have been paralyzed for 15 years as a result from fooling with a friend. I writing to find about any type of human spinal cord rejuvenation trials. If so or any type along that line, then please let me know. Thanks
Posted by:
Gabriel(Guest)
Posted on: 11/13/2012 I know that Miami college in Florida has been working on this in animals, so they can do this in humans. They have been doing wonders. Give them a call. It might just change your life. Be persistent about it with them.
You could also call up Pen State. Their are some wonderful BME people there. M for Medical that is. They might be able to help. Call Florida first for sure. God bless your journey. |
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Posted by:
Namithann
Posted on: 05/25/2010 A fertilised egg has totipotency, or total potential for about four days. Days after fertilisation,the totipotent stem cell divides and then matures to cause more specialised stem cells called pluripotent stem cells.Basically, the pluripotent stem cell can do everything the totipotent one can except for creating an entire organism. so, how can we take totipotent cells frm a human? is tht practically possible? if we could, it wud be great, isn't it?
Posted by:
guest
Posted on: 10/08/2007 ESC research only "does not involve cloning" if you redefine 'cloning.' Most people understand that it is making a 'copy' of someone's DNA. To use ESC's therapeutically, they must be 'recognized' by the cells of the end user - the simplest way is to 'clone' his/her DNA. And insert it into an available egg (and where are all these human eggs going to come from? 3rd-world women?) |
