at position 14 14 Multiple Answer 2 points Question at position 14 The normal human karyotype contains ________________ autosomes. The normal human karyotype contains ________________ autosomes. 22 23 44 46 54 Question at position 15 15 Multiple Answer 2 points Question at position 15 The three fundamental particles of the atom are The three fundamental particles of the atom are elements, molecules, compounds ions, cations, anions. proteins, lipids, sugars proton, neutron, electron Question at position 16 16 Multiple Answer 2 points Question at position 16 The sources of genetic variation during meiosis are: The sources of genetic variation during meiosis are: crossing-over and the random assortment of maternal and paternal chromosomes. crossing-over and random pairing of tetrads. random pairing of tetrads and mutations. polyploidy and random pairing of tetrads. random pairing of tetrads and random assortment of maternal and paternal chromosomes. Question at position 17 17 Multiple Answer 2 points Question at position 17 The M phase of the cell cycle involves two main processes, _________ . The M phase of the cell cycle involves two main processes, _________ . mitosis and cytokinesis meiosis I and meiosis II homologous pairing and crossing-over interphase and mitosis mitosis and meiosis Question at position 18 18 Multiple Answer 2 points Question at position 18 A nutrient is a substance that