What I Know (Pre-test) Multiple Choice. Select the letter of the best answer from among the given choices. Write it on a separate sheet of paper. 1. Which of the following theories does NOT explain the chromosomal basis of inheritance? A. Genes are located in the chromosomes. B. Chromosomes and their related genes undergo segregation during meiosis C. Mendel's laws of inheritance do not relate to the behavior of chromosomes in meiosis D. Chromosomes and their related genes undergo independent assortment in the formation of gametes. 2. Which structure in a cell are chromosomes be found? A.cell membrane B. mitochondria C. nucleus D. centromere 3. A child's body cells each contain 46 chromosomes. How many chromosomes did the child inherit from his mother? A. 46 chromosomes B. 23 chromosomes C. 23 pairs D. 13 pairs 4. Which of the following laws violates the chromosomal theory of inheritance? A. Law of dominance C. Law of independent assortment B. Law of segregation D. None of these 5. Describe the centromere of a chromosome A. The part of the cell where the chromosome is located B. The longest arm of the chromosome C. The part of the DNA where the genes are found. D. The point in the chromosome that joins together the two chromatids. 6. Which of the following is considered the basic unit of heredity? A. Trait B. Chromosome C. Enzyme D.Gene 7. DNA can sometimes be found in tightly compacted structures called in the nucleus of a cell. A. chromosomes B. nucleotides C. genes D. nitrogenous bases 8. What is the complementary strand for A C GTT? A C-A-T-G-G B. T-G-C-A-A C. G-T-C-A-A D. T-G-A-C-C 9. The location of a particular gene on a chromosome is called the A. "parm B. "q" arm C. genetic locus D.DNA 10. Which sentence is false? A. Humans have 23 pairs of DNA (deoxyribonucleic acid). B. Alleles are different forms or versions of the same gene. C. A chromosome contains hundreds to thousands of genes. D. Each gene has a special role in determining physical traits.​