Topic: Banded Chromosomes
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What is chromosome banding?
( ′krō·mə′sōm ′ban·diŋ ) (genetics) Unique patterns of cross striations seen on polytene chromosomes, as in Drosophila. Unique pattern of stain intensities along each chromosome in mammals and some other species, using any one of various st... Read More »
Source: http://www.answers.com/topic/chromosome-banding
What causes a dark band on the chromosome?
When DNA coils into a chromosome, it keeps its shape with the help of associated proteins. Where the DNA is very tightly coiled, and the proteins very condensed, that region appears as a dark band (G-band). G-bands are not very rich in gene... Read More »
Source: http://wiki.answers.com/Q/What_causes_a_dark_band_on_the_chromsom...
What do the bands on chromosomes signify?
The bands on chromosomes are chunks of DNA that stain differently. Depending on the section of the chromosome, there may be hundreds of genes or very few genes in each band. Read More »
Source: http://wiki.answers.com/Q/What_do_the_bands_on_chromosomes_signif...
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Banded Chromosomes
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Answers to Other Common Questions
Giemsais the most common stain used to see banding patterns in chromosomes
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Source: http://wiki.answers.com/Q/What_stain_do_you_use_to_see_banding_pa...
Dede, a chromosone band is one of the transverse bands produced on chromosomes by differential staining techniques. Depending on the particular staining technique, the bands are alternating light and dark or fluorescent and nonfluorescent. ...
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Source: http://answers.yahoo.com/question/index?qid=20091223124919AAqHT45
High resolution banding techniques enable detection of chromosome rearrangements even within major bands.
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Source: http://www.chacha.com/question/what-is-high%26%2345%3Bresolution-...
The bands are achieved by repeated rounds of DNA replication without any cell division and serve no purpose than for appearance.
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Source: http://www.chacha.com/question/what-are-the-various-bands-on-a-gi...
A karyotype .
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Source: http://wiki.answers.com/Q/What_is_a_display_of_chromosomes_of_a_p...
"The division mechanism of meiosis is a reciprocal process to the joining of two genomes that occurs at fertilization. Because the chromosomes of each parent undergo genetic recombination during meiosis, each gamete, and thus each zygote, w...
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Source: http://answers.yahoo.com/question/index?qid=20090411173853AAjSLoT
