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Test for sex-linked lethals in irradiated mice
Published online by Cambridge University Press: 14 April 2009
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Tabby males were irradiated with 500 r and mated to Bn Mobr♀♀. Daughters conceived during the first 3 weeks after irradiation were tested for the presence of sex-linked recessive mutations in their progeny, each daughter representing one irradiated gamete. One visible, but no lethal, was found in the Bn–Mobr segment among 154 tested gametes; one gamete was proved free of lethals or visibles in the Bn–Ta segment, and 21 gametes in the Ta–Mobr segment. Among the whole 176 tested gametes there was no indication of a lethal in the adjoining segments.
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