2) show the two Punnett squats you created for Lisa and Michael to help you answ

Question

2) show the two Punnett squats you created for Lisa and Michael to help you answer this question. QUESTION 16 Luisa's father and mother are both carriers for sicle-cell anermia (an autosomal recessive trait), so their genotypes are Ss. What is true about Lisa's genotype, based ONLY on this information? O We don't know Lisa's genotype, and it could be SS, Ss, or ss O We don't know Lisa's genotype, but it could only be Ss or ss O We know Lisa's genotype- it can only be SS O We know Lisa's genotype - it can only be Ss QUESTION 17 Here are two new pieces of information about Lisa and her familys Lisa doesn't have sickle-cell anemia, but she hasn't had genetic testing so she might still be a carrier - Her brother does have sickle-cell anemia What do we know about Lisa and her brother so far? O Lsa could be SS or Ss, her brother must be ss Both Lisa and her brother must be Ss O Usa could be Ss or ss, her brother musi be SS O Lsa must be SS her brother must be sa

Explanation / Answer

1.. we don’t know Lisa’s genotype and it could be SS,Ss or ss

2..Lisa could be SS or Ss but her brother must be ss. Here sickle cell anemia is an autosomal recessive disorder hence the person is suffered from the disease if both the recessive allele is present.

3..25% chance if Lisa is carrier, 0% chance if she is normal.

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