centromere the region of the chromosome linking chromatids telomere chromosome tip il alleles particular forms of genes oo
Giant chromosomes from a fruit fly larva's salivary glands enable study of RNA transcription. The faint, "puffed" areas are the sites of active transcription.
regions on the mitotic chromosome. For example, a gene at band 4q14 is localized to chromosome 4, the long arm, region 1, band 4.
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