[问答题]
Sickle cell anaemia
um vmi2hn mbl0v)tu9*4 i0 jk4is caused by th
.yx4;86 dk9e ,eqi sfjxa: coue allele Hb$^S$ . The normal allele is Hb$^A^ .
1.Identify the genotype of individuals 1 and 2.
2.Predict the probability of individuals 5 and 6 having another child that is unaffected. Justify your answer.
3.If individual 7 had a child with an affected biolgical female, identify the possible genotypes of the child. Justify your answer.
4.Deduce, with evidence, the pattern of inheritance of sickle cell anaemia that is shown in this pedigree chart.
5.Distinguish between sex-linked inheritance and autosomal inheritance in humans.
