The Effect of W Chromosome Origin on Sex-Chromosome Pairing in ZZWW Tetraploid Females of the Domesticated Silkworm, Bombyx Mori, and the Congenic Wild Silkworm, Bombyx Mandarina

Abstract

To analyze the degree of pairing of the Z and W chromosomes in ZZWW tetraploid female silkworms that have the W chromosomes of the domesticated silkworm, Bombyx mori, and those of the wild silkworm, Bombyx mandarina, we induced two types of ZZWW tetraploid female silkworms (Cr4n, Wr4n) through cold treatment of the eggs. The Wr4n female is congenic to the… (More)
DOI: 10.1023/A:1014638723413

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