[问答题]
Sickle cell anaemia is c
)qizkn-.)p 8 fox5j.sooze 4eause
5kj5n shf.j zva, 63rgd by the 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.
