Cytophotometric and autoradiographic evidence for functional apomixis in a gynogenetic fish, Poecilia formosa and its related, triploid unisexuals

Abstract

Amounts of DNA in individual Feulgen-stained nuclei from squash preparations of ovaries and testes from wild-caught and laboratory-reared stocks of Poecilia spp. were determined with an integrating microdensitometer. The DNA content of primary spermatocytes (4C) at zygotene, pachytene, or at metaphase I (3.3–3.4 pg) was approximately twice that found in… (More)
DOI: 10.1007/BF00493366

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