Percentagem de recombinação entre os genes C e Wₓ em milho (Zea mays L.), sob a influência do sexo, cromossomo B, knob e cromossomo 10 anormal

Autores

  • Dário Ahnert UFV
  • Luiz Sérgio Saraiva UFV

Palavras-chave:

cromossomo anormal, recombinação genética, inflorescência masculina, heterocromatina cêntrica, segregação preferencial

Resumo

Recombination was studied between C and Wz genes in the short arm of chromosome 9 of maize (Zea mays L.) in megasporocytes and microsporocytes as influenced by heterochromatic elements: knob, B chromosome and abnormal chromosome 10 (K10). 

Referências

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NEL, P.M. The modification of crossing over in maize by extraneous chromosomal elements. Theor. Appl. Genet. 43:196-202, 1973.

PEACOCK, W.J.; DENNIS, E.S.; RHOADES, M.M. & PRYOR, A.J. Highly repeated DNA sequence limited to knob heterochromatin in maize. Proc. Natl. Acad. Sci., 78:4490-4494, 1981.

RHOADES, M.M. Preferential segregation in maize. Genetics, 27:395-406, 1942.

RHOADES, M.M. Genetic effects of heterochromatin in maize. In: Walden, D.B. (ed.). Maize Breeding and Genetics. New York, John Wiley and Sons, 1978. p. 641-671.

RHOADES, M.M. & DEMPSEY, E. The effect of abnormal chromosome 10 on preferential segregation and crossing over in maize. Genetics, 53:989-1020, 1966.

RHOADES, MM. & DEMPSEY, E. On the mechanism of chromatin loss induced by the B chromosome of maize. Genetics, 71:73-96, 1972.

RHOADES, M.M. & DEMPSEY, E. Chromatin elimination induced by the B chromosome of maize. J. Hered, 64:12-18, 1973.

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Publicado

2025-04-11

Como Citar

Ahnert, D., & Saraiva, L. S. (2025). Percentagem de recombinação entre os genes C e Wₓ em milho (Zea mays L.), sob a influência do sexo, cromossomo B, knob e cromossomo 10 anormal . Revista Ceres, 36(204), 173–179. Recuperado de https://ojs.ceres.ufv.br/ceres/article/view/7567

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