The sickle cell mutation today can be found in five different haplotypes, leading to the conclusion that the mutation appeared independently five times in five different founders. ( although sickle cell disease usually results from a founder mutation, some cases do arise from other mutations
科學
家發現,現今的
鐮狀細胞突變分別座落於五個不同的單純型之中,顯見這種突變曾獨立出現過五次,各自發生在五個不同的創始者身上(雖然
鐮狀細胞貧血癥通常是因創始者突變,但也有些病例是其他不同的突變所造成的) 。
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