Introduction eiosis sexually reproducing organism a special division process cal

Question

Introduction eiosis sexually reproducing organism a special division process called meiosis occurs. Unlike mitosis, results in the reduction of chromosome number to half that present in the diploid cell. Otherwise, tion restores the diploid number of chromosomes Understand the differences between mitosis and meiosis. the chromosome number would double with each generation. The reduction is accomplished by a single The union of two gametes at duplication of the chromosomes followed by two successive cell divisions. fertiliza The specific objective of this laboratory appendix is to: a. b. Diagram specific stages of meiosis. Mitosis vs. Meiosis 1. What must happen to the DNA before a cell can enter mitosis or meiosis? (0.5) 2. At what specific point during the cell cycle does this (your answer to #1) occur? (025)

Explanation / Answer

1. Before a cell enter into meiosis or mitosis for division, the strands of DNA in the nucleus must be copied, checked for errors, and then packaged into finger like structure. During cell division, the DNA is pulled to and fro, which can cause it to break if it is not carefully packaged.

2. DNA synthesis occurs during the S phase of cell cycle.

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