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. 1976 Jul;28(4):412-6.

The segregation of C-band polymorphisms on chromosomes 1, 9, and 16

A Carnevale, B B Ibañez, V del Castillo

The segregation of C-band polymorphisms on chromosomes 1, 9, and 16

A Carnevale et al. Am J Hum Genet. 1976 Jul.

Abstract

Eleven normal families with at least four children were studied cytogenetically using the C-band technique to identify polymorphisms in the constitutive heterochromatin of chromosomes 1, 9 and 16. Thirteen individuals showed one or more variants in such chromosomes. The analysis of the segregation ratios in the 35 offspring of these 13 individuals showed that these marker chromosomes generally segregated according to the expected 50:50. However, one of these variants, chromosome no. 9 with an increased heterochromatin block in the secondary constriction, has an apparently preferential segregation, when the findings from this study are combined with those of other authors.

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References

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