Testicular Cells exhibit similar molecular responses to cigarette smoke condensate ex vivo and in vivo. The sickle (betas) mutation in the beta-globin gene (HBB) occurs on five "classical" betas haplotype backgrounds in ethnic groups of African ancestry. Strong selection in favour of the betas allele - a consequence of protection https://share.google/FOCkrywjbHrUX0WrE