Gross and Microscopic Structures of the Female Reproductive System in the Whip-Tail Stingray (Dasyatis bleekeri)

Fifty l0-mer primers of a total 244 screened gave positive responses to DNAs of five morphologically different strains of silkworm. Of the sum of 381 bands, 335 were clearly polymorphic. Some of the DNA fragments were strain specific and some could differentiate the multivoltine from the bivoltine strains or vice versa. The genetic similarity among the strains and their phylogenetic relationships were discussed.