Cell Division! Created by Educational Technology Network. www.edtechnetwork.com 2009

Interphase Mitosis 1 Mitosis 2 Meiosis 1 Meiosis 2 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 50 50 50 50 50

Topic 1 – 10 Points What are the three stages within Interphase? QUESTION: What are the three stages within Interphase? ANSWER: Growth 1 (G1), Synthesis (S), Growth 2, (G2)

Topic 1 – 20 Points DNA replication QUESTION: ANSWER: What major event happens in the S phase? ANSWER: DNA replication

Topic 1 – 30 Points QUESTION: At the beginning of Interphase is a cell haploid or diploid? ANSWER: Diploid

Topic 1 – 40 Points What allows cancer cells to divide so quickly? QUESTION: What allows cancer cells to divide so quickly? ANSWER: Checkpoints are removed or ignored

Topic 1 – 50 Points QUESTION: Out of 720 minutes, how many minutes should a normal chicken stomach cell spend in interphase? ANSWER: 500-550 min

Topic 2 – 10 Points QUESTION: ANSWER: What are the four phases of mitosis in order? ANSWER: Prophase, Metaphase, Anaphase, Telophase

Topic 2 – 20 Points QUESTION: In which phase do chromosomes line up along the cell equator? ANSWER: Metaphase

Topic 2 – 30 Points In which phase do the chromosomes condense? QUESTION: In which phase do the chromosomes condense? ANSWER: Prophase

Topic 2 – 40 Points In which phase do the sister chromatids separate? QUESTION: In which phase do the sister chromatids separate? ANSWER: Anaphase

Daily Double Topic 2 – 50 Points List three reasons for cell division. QUESTION: List three reasons for cell division. ANSWER: Reproduction, Growth and development, tissue renewal Daily Double

Topic 3 – 10 Points QUESTION: In which phase does the nucleus reform around the DNA? ANSWER: Telophase

Topic 3 – 20 Points QUESTION: In which phase do the centrioles moves to the poles? ANSWER: Prophase

Topic 3 – 30 Points QUESTION: ANSWER: In which phase do the spindle fibers start to pull on the chromosomes? ANSWER: Metaphase

Topic 3 – 40 Points In which phase do the centromeres split? QUESTION: ANSWER: Anaphase

Topic 3 – 50 Points QUESTION: ANSWER: After mitosis is complete, are the two daughter cells haploid or diploid? ANSWER: Diploid

Topic 4 – 10 Points QUESTION: What is it called when homologous chromosomes pair up? ANSWER: Synapsis

Topic 4 – 20 Points In which phase does synapsis occur? QUESTION: ANSWER: Prophase I

Topic 4 – 30 Points In which phase does independent assortment occur? QUESTION: In which phase does independent assortment occur? ANSWER: Metaphase I

Topic 4 – 40 Points Prophase I QUESTION: ANSWER: In which phase does crossing-over occur? ANSWER: Prophase I

Topic 4 – 50 Points QUESTION: What are the three factors that ensure genetic variability? ANSWER: Crossing-over, independent assortment, random fertilization

Topic 5 – 10 Points QUESTION: ANSWER: In which phase do the homologous chromosomes separate? ANSWER: Anaphase I

Topic 5 – 20 Points QUESTION: ANSWER: In which phase of meiosis do the sister chromatids separate? ANSWER: Anaphase II

Topic 5 – 30 Points QUESTION: At the end of meiosis, how many daughter cells will there be? ANSWER: 4

Topic 5 – 40 Points QUESTION: At the end of meiosis I, are the daughter cells haploid or diploid? ANSWER: Haploid

Topic 5 – 50 Points QUESTION: What is a segment of DNA coding for a physical trait? ANSWER: Gene

Final Jeopardy Question: Draw a concept map for the entire cell cycle of a somatic cell. Answer: