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. 1972 Dec 1;178(4064):992-4.
doi: 10.1126/science.178.4064.992.

Centric fusion and trisomy for the LDH-B locus in brook trout, Salvelinus fontinalis

M T Davisson, J E Wright, L M Atherton

Centric fusion and trisomy for the LDH-B locus in brook trout, Salvelinus fontinalis

M T Davisson et al. Science. .

Abstract

Cytogenetic analyses showed that a trisomic male brook trout of genotype BB'B'' for one of the lactate dehydrogenase subunit loci had a karyotype with two extra arms appearing as a metacentric chromosome. The metacentric chromosome probably arose through centric fusion of two acrocentric or telocentric chromosomes-one of which carried the locus for subunit B-followed by nondisjunction.

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