A possible maternal-effect mutant of Xenopus laevis: I. Cytological and biochemical analyses of the unfertilized eggs and embryos

In an effort to define the cause of the developmental arrest of offspring from a certain Xenopus female (designated as No. 65), we have examined eggs and embryos from the female both cytologically and biochemically. Light and electron microscopic observations revealed that all of the blastomeres fro...

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