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    I was going through a workbook for igcse biology and I'm not sure if I've made a mistake or if Malcolm can't possibly be Susan's child - he is unaffected homozygous but he must have been passed on one of Susan's f genes, not two F genes? I'm not sure if I've made a mistake or the workbook has? Does anyone know? Thanks.
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    (Original post by Lelanor)
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    I was going through a workbook for igcse biology and I'm not sure if I've made a mistake or if Malcolm can't possibly be Susan's child - he is unaffected homozygous but he must have been passed on one of Susan's f genes, not two F genes? I'm not sure if I've made a mistake or the workbook has? Does anyone know? Thanks.
    All the kids are Ff which means all the kids are carriers of the disease. I think the book made a mistake because there is no way Malcolm can be FF. Malcolm would have only been FF if Susan was a carrier with Ff instead ff.
 
 
 
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