A rare variant of chromosome 1 in the house mouse: the presence of 2 supernumerary heterochromatin segments

Iakimenko, L.V.; Korobitsyna, K.V.

Genetika 24(2): 376-378

1988


ISSN/ISBN: 0016-6758
PMID: 3360320
Document Number: 306409
An abnormal chromosome 1 with two extra interstitial heterochromatin segments was found in the karyotype of a house mouse from the Maritime Territory. Until recently, variants of the abnormal chromosome 1 with the only extra C-block were known in house mouse of some European populations. Sizes of the abnormal chromosome 1 in a house mouse of the Maritime Territory are increased almost by 50%, in comparison with the normal homologue. C-banding showed that extra segments were localized in the area of D and F segments of the standard karyotype in house mouse, and stained homogeneously.

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