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 | I carry the gene for Cystic Fibrosis | |
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| I carry the gene for Cystic Fibrosis too | |
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| Shall we make some babies? | |
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| Oooh I'm not sure. Firstly I'm drunk and won't all our children have Cystic Fibrosis? | |
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| That other bloke was really dumb. He thought all our children would have Cystic Fibrosis. Are you drunk? | |
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| No I'm reading, but they could all have it of course; there's a 1 in 4 chance at each conception. Is that a windmill? | |
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