karyotype

[ kar-ee-uh-tahyp ]

Phonetic (Standard)IPA

noun

, Genetics.

the chromosomes of a cell, usually displayed as a systematized arrangement of chromosome pairs in descending order of size.

karyotype

/ ˈkærɪəˌtaɪp; ˌkærɪəˈtɪpɪk /

the appearance of the chromosomes in a somatic cell of an individual or species, with reference to their number, size, shape, etc

karyotype

/ kăr′ē-ə-tīp′ /

An organized visual profile of the chromosomes in the nucleus of a body cell of an organism. Karyotypes are prepared using cells in the metaphase stage of cell division, when chromosomal strands have coiled together and duplicated, rendering them easily visible under a microscope after staining. Photomicrographs of the stained chromosomes are then arranged in a standard format according to size, the relative position of the centromere, and other criteria. The normal human karyotype consists of 46 chromosomes.

karyotype

The complete set of chromosomes that constitutes the entire genome of a species . The human karyotype contains forty-six chromosomes, twenty-three from each parent. This set is contained in the nucleus of almost every cell in the body

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First recorded in 1925–30; karyo- + type

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In other words, the team engineered a new karyotype in a mammalian species that could be passed on through generations.

The results, one simple line in karyotype notation, were clear.

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