MITOTIC RECOMBINATION IN THE HETEROCHROMATIN OF THE SEX CHROMOSOMES OF DROSOPHILA MELANOGASTER | Zendy

Pedro Ripóll | Zendy; Antonio Garcı́a-Bellido | Zendy

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MITOTIC RECOMBINATION IN THE HETEROCHROMATIN OF THE SEX CHROMOSOMES OF DROSOPHILA MELANOGASTER

Author(s) -

Pedro Ripóll,

Antonio Garcı́a-Bellido

Publication year - 1978

Publication title -

genetics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.792

H-Index - 246

eISSN - 1943-2631

pISSN - 0016-6731

DOI - 10.1093/genetics/90.1.93

Subject(s) - biology , heterochromatin , centromere , genetics , mitosis , recombination , mitotic crossover , homologous chromosome , chromosome , drosophila melanogaster , x chromosome , homologous recombination , gene

The frequency of spontaneous and X-ray-induced mitotic recombination involving the Y chromosome has been studied in individuals with a marked Y chromosome arm and different XY compound chromosomes. The genotypes used include X chromosomes with different amounts of X heterochromatin and either or both arms of the Y chromosome attached to either side of the centromere. Individuals with two Y chromosomes have also been studied. The results show that the bulk of mitotic recombination takes place between homologous regions.

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