Name(s) :Human Pedigrees Use the following pedigree for questions 4-8. 4 2 4 5 4. Co uld the characteristic followed in the pedigree be caused by an autosomal dominant disease? Why or why not? a. Yes, all individuals fit the autosomal dominant inheritance pattern. b. No, the offspring of I-1 and I-2 contradict an autosomal dominant inheritance. c. No, the offspring of I-3 and 1-4 contradict an autosomal dominant inheritance. d. No, the offspring of Il-3 and II-4 contradict an autosomal dominant inheritance. 5. If the pedigree is for an autosomal recessive characteristic, which individuals are definitely heterozygous? a. I-1, 1-2, 11-2, 1l-4 and I-5 b. -1, 1-2, 1-4, III-1 c. I-1, I-2, I-4, Il-5, II1 d. I1-2, 11-4, 11-5, Il-3 e. II-2, Il-4, II-5, I1I-1 6. Could the characteristics followed in the pedigree be caused by an X-linked recessive allele? a. Yes, all individuals fit the X-linked recessive inheritance pattern. b. No, the offspring of I-1 and I-2 contradict an X-linked recessive inheritance. c. No, the offspring of I-3 and I-4 contradict an X-linked recessive inheritance. d. No, the offspring of l-3 and II-4 contradict an X-linked recessive inheritance. 7. If the characteristic followed in the pedigree is autosomal recessive, what is Il-1’s genotype? a. either homozygous dominant or heterozygous b. definitely heterozygous c. definitely homozygous dominant 8. If the characteristic followed in the pedigree is X-linked recessive allele, what is II1’s genotype? a. hemizygous for a dominant allele b. hemizygous for a recessive allele c. definitely heterozygous d. definitely homozygous dominant e. either heterozygous or homozygous dominant