Recent Examples on the WebFor one thing, 35delG homozygotes sometimes only have mild hearing impairment. Jon Cohen, Science | AAAS, 21 Oct. 2019 These people, known as CCR5Δ32 homozygotes, appear healthy and are highly resistant to HIV infection. Jon Cohen, Science | AAAS, 1 Aug. 2019 What’s more, Lulu is clearly not a CCR5Δ32 homozygote, so the findings don’t apply to her. Jon Cohen, Science | AAAS, 1 Aug. 2019