Mo Bio Final - Exam with 100% correct solutions 2024

If a pea plant strain is true-breeding for a particular trait, then: A. crosses between the two true-breeding plants with the same trait will have offspring identical between the parents B. it will be homozygous for all genes C. it must be a recessive trait D. it is not useful for studying inheritance E. it only self fertilizes correct answers A. crosses between the two true-breeding plants with the same trait will have offspring identical between the parents True-breeding, purple-flowered pea plants were crossed with true-breeding, white-flowered pea plants. The F1 offspring are self-fertilized, what progeny phenotypes would be expected? A. 1 purple : 2 pink : 1 white B. 3 white : 1 purple C. 3 purple: 1 white D. all purple E. all white correct answers C. 3 purple: 1 white The child of a mother with IaIa blood and father with IaIb blood will have; A. 25% chance of being IaIa B. 50% chance of being IaIa C. 75% of being IaIa D. 25% chance of being IaIb E. 50% chance of being IbIb correct answers B. 50% chance of being IaIa The phenotype of an organism is the outward appearance of an organism A. True B. False correct answers A. True A heterozygous organism has two identical copies of an allele for a gene. A. True B. False correct answers B. False Which of the following is not normally a component of a ribonucleotide? A. a phosphate group B. a ribose C. uracil D. thymine E. adenine correct answers D. thymine Which of the following is NOT true regarding nucleic acid and protein structure?