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Sparrow's song revisited
  1. John Harris
  1. Institute for Science, Ethics and Innovation, School of Law University of Manchester, UK
  1. Correspondence to John Harris, Institute for Science, Ethics and Innovation, School of Law, University of Manchester, Manchester M13 9PL, UK; john.harris{at}

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Robert Sparrow1 has assayed a response to criticisms I expressed of his arguments in my ‘Sparrows, hedgehogs and castrati: reflections on gender and enhancement’ in this journal.2 Sparrow simply re-states at some length his view that the life expectancy advantage women enjoy of between 6 or 7 years gives those like myself who believe that we have a duty to have the best children we can have good reason always to choose to produce females, and that this is embarrassing to me. I reject this …

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  • Competing interests None.

  • Provenance and peer review Not commissioned; internally peer reviewed.

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