3. If one human parent is homozygous for blood type O (ii), and the second parent is heterozygous for blood type AB (I^I

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3 If One Human Parent Is Homozygous For Blood Type O Ii And The Second Parent Is Heterozygous For Blood Type Ab I I 1 (51.82 KiB) Viewed 11 times

3. If one human parent is homozygous for blood type O (ii), and the second parent is heterozygous for blood type AB (I^IB), what are the expected phenotypic ratios (for blood types) in their children? A. 1/4 with blood type AB, 1/4 with blood type A, 1/4 with blood type B, and 1/4 with blood type O B. 1/4 with blood type A (1^i), 1/2 with blood type AB (I^IB), and 1/4 with blood type B (1) C. 1/4 with blood type A (I^i), 1/2 with blood type AB (I^IB), and 1/4 with blood type O (ii) D. 1/2 with blood type A (I^i), and 1/2 with blood type B (I"i) E. 1/2 with blood type A (I^i), and 1/2 with blood type O (ii) 4. Which of the following alleles in the human ABO blood genotypes is recessive? A. blood type allele A only B. blood type alleles B and A only C. blood type allele B only D. blood type alleles A and B only E. blood type allele O only 5. If two tall parental pea plants are crossed, and 3/4 of their offspring have tall stems, while the remaining 1/4 of their offspring have short stems, then both parental pea plants must have: A. the homozygous dominant genotype B. the Tt genotype C. the tt genotype D. the TT genotype E. the homozygous recessive genotype