雌雄蜂(膜翅目，蜂科)的B染色体系统联合分析。

Cytobios Pub Date : 2000-01-01

S M Araújo, S G Pompolo, J A Dergam, L A Campos

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引用次数: 0

摘要

对巴西东南部米纳斯吉拉斯市(viosa)和波尔图菲尔梅(Porto Firme) 10个种群的366个独居黄蜂(Trypoxylon, Trypargilum) albitarse的核型分析显示，该种群存在两种形态类型的多余(B)染色体。c -显带和荧光显带表明，T. albitalis的B染色体可能起源于标准(A)染色体补体内的异染色质断裂。

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The B chromosome system of Trypoxylon (Trypargilum) albitarse (Hymenoptera, Sphecidae) 1. Banding analysis.

Karyotypic analyses of 366 specimens of the solitary wasp Trypoxylon (Trypargilum) albitarse collected from ten populations in the municipalities of Viçosa and Porto Firme (Minas Gerais, Southeastern Brazil), revealed the presence of two morphological types of supernumerary (B) chromosomes. C-banding and fluorochrome banding suggest that the B chromosomes of T. albitarse may have originated from heterochromatin breaks within the standard (A) chromosome complement.

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Cytobios

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