Final Exam Review Questions And Answers 2024

The most common male sex chromosome disorder is _____, with a genotype of ______. {Ans: 1. Klinefelter syndrome 2. XXY}Most scientists believe that the biggest driver of a cancer phenotype is A. the inability of a cancer cell to repair DNA damage B. the inability of a cancer cell to arrest a cell cycle checkpoints C. the acquisition of a new mutation in the cell at each cell division D. the ability of cancer cells to avoid apoptosis {Ans: A. the inability of a cancer cell to repair DNA damage}True or false: the theory of spontaneous generation posits that asexual reproduction will take over when sexual reproduction cannot happen in species. {Ans: False}What type of plants did Gregor Mendel use in his famous experiment {Ans: Pea plants}The. region of the chromosome 20 that is thought to be responsible for the phenotype of down syndrome is the DSCR. {Ans: False}Which of the following is true about anaphase? A. it marks the longest phase of the cell cycle B. Chromatids undergo disjunction to travel to opposite poles C. Active DNA replication ensures that duplication is complete before the cycle ends D. Cytokinesis helps the cell to divide