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The Journal of Heredity 1984:75(1):74-75
© 1984 The American Genetic Association 75:74-75

other

Desynaptic mutants of Locusta migratoria

Maria J. Puertas, and Manuel Diez

assistant and accociate pfrofessors, Departamento de Génetica, Facultad de Biologia, Universidad Complutense Madrid, 3, Spain

Abstract

Precocious release of chiasmata was studied in three desynaptic mutants of Locusta migratoria. The probability of chiasma loss from diplotene to metaphase I was similar for all bivalents irrespective of their very different lengths. However, chiasma loss was dependent on the chiasma number of the blvalents: the greater the number of chiasmata in a bivalent the higher the probability of the precocious release of one of them.


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