AP Bio Unit 4 Review Questions and Answers 100% Pass

AP Bio Unit 4 Review Questions and Answers 100% Pass At what stage do chromatids separate in Meiosis? Anaphase II Cytokinesis is splitting of the ____. cytoplasm Following (but not including) which phase of the cell cycle do we have 2 sister chromatids? S phase How do cells pass the G2 checkpoint? MPF (allows cells to enter mitosis or M phase); mitosis promoting factor How long is the cell cycle for skin cells? 12-24 hours How long is the cell cycle of an embryo? 20 minutes If a cell has 40 chromatids at metaphase, how many chromosomes will ach daughter cell have after cytokinesis? 20 If there are 30 chromatids in a cell, how many centromeres will there be? 15 In both mitosis and meiosis, sister chromatids separate during anaphase, but there are ___ haploid daughter nuclei produced by meiosis compared to ____ diploid nuclei by mitosis 4; 2 In mitosis, which stage do we separate out sister chromatids? Anaphase In what form is DNA loose non-condensed and condense and organized? non- condensed=chromatin; condensed=chromosome 2 gametes combine to form a _____. What are the 2 gametes? zygote; sperm and egg Interphase is composed of which stages of the cell cycle? G1, S, G2 List phases of Mitosis in order Prophase, Metaphase, Anaphase, Telophase, (Cytokinesis) Meiosis reduces _____. Fertilization restores _____. chromosome number Mitosis produces what kinds of daughter cells? 2 genetically identical cells with 46 chromosomes Non-dividing cells are in which stage of the cell cycle?