BIO 182 Exam 2 Questions with Correct Answers

BIO 182 Exam 2 Questions with Correct Answers In a simple Mendelian monohybrid cross, true-breeding tall plants are crossed with short plants, and the F1 plants, which are all tall, are allowed to self-pollinate. What fraction of the F2 generation are both tall and heterozygous? a. 1⁄8 b. 1⁄4 c. 1⁄3 d. 2⁄3 e. 1⁄2 - Answer-e. 1⁄2 The phenotype of an individual a. depends at least in part on the genotype. b. is either homozygous or heterozygous. c. determines the genotype. d. is the genetic constitution of the organism. e. is either monohybrid or dihybrid. - Answer-a. depends at least in part on the genotype. The ABO blood groups in humans are determined by a multiple-allele system in which IA and IB are codominant and are both dominant to IO. A newborn infant is type A. The mother is type O. Possible phenotypes of the father are a. A, B, or AB. b. A, B, or O. c. O only. d. A or AB. e. A or O - Answer-d. A or AB.