Banding appears in dyed chromosomes, Jim Kent
Interviewee: Jim Kent. Banding appears in dyed chromosomes. Jim Kent talks about banding appears in dyed chromosomes.
If you stain a human chromosome just right you'll see a banding pattern. And people do this all the time because it turns out that a lot of times in cancer cells will have the wrong number of chromosomes, or they'll have chromosomes that are fused and joined. There's quite a bit of medical knowledge about these bands. So, this is maybe the highest level view you can see. And it just turns out that the dark areas tend to be not so actively transcribed. They're sort of all dense and kind of curled up inside themselves and packed away tightly so that they're not taking up so much space in the cell. And then the others will be more open and be actively used.
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Jim Kent talks about cell division and DNA.
Jim Kent talks about a unique cluster of genes.
Jim Kent talks about telomeres and cell death.
Jim Kent talks about junk DNA in the human genome.
DNAFTB Problem 8: Take a look at human chromosomes.
Jim Kent talks about a farm of computers.
Ewan Birney, one of the leading analysts involved in the Human Genome Project, takes you on an informal tour of a chromosome.
Geneticist Kenneth Kidd explains his study of human DNA variation in nuclear chromosomes.
Jim Kent talks about transposons and repetitive elements in the human genome.
Professor Robert Weinberg explains how normal cells can only double a certain limited number of times; and cancer cells have to learn how to proliferate indefinitely, i.e, they have to become immortalized.