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Chromosome: A linear sequence of genes wound up with proteins into a single unit that is found in the nucleus of cells. See also DNA, genes.

Chromosome Region P: A designation for the short arm of a chromosome.

Chromosome Painting: Attachment of certain fluorescent dyes to targeted parts of the chromosome. Used as a diagnositic for particular diseases, e.g. Types of leukemia.

Chromosome Banding: A technique for staining chromosomes so that bands appear in a unique pattern particular to the chromosome.

Chromosome Region Q: A designation for the long arm of a chromosome.

X-Chromosome: One of the sex chromosomes.

Homologous Chromosome: Chromosome containing the same linear gene sequences as another, each derived from one parent.

X Chromosome: One of the two sex chromosomes, x and y.

Y Chromosome: One of the two sex chromosomes, x and y.

Sex Chromosome: The x or y chromosome in human beings that determines the sex of an individual. Females have two x chromosomes in diploid cells: males have an x and a y chromosome. The sex chromosomes compr . . . View Full Definition