We have an assignment at school where we have to investigate the periodic motion of a mass on a spring. The first task is the model a displacement vs time of the mass on spring but I know how to do that because we are using Datalogger.
Two divisions, and , are required to produce gametes (Figure 3). Meiosis I is a unique that occurs only in germ cells; meiosis II is similar to a mitotic division. Before germ cells enter meiosis, they are generally , meaning that they have two copies of each chromosome.
crossing over and recombination occurs during the meiosis.In meiosis during the first prophase crossing over occurs ...it is also called as reductional division as the chromosomes condense and there is exchange of DNA between homologues chromosomes.