Mitosis, Meiosis and Fertilization
In the hands-on activity, Mitosis, Meiosis and Fertilization, students use model chromosomes to simulate the processes of mitosis, meiosis and fertilization, and they answer questions designed to promote student understanding of these processes. The principle that genes are inherited through the processes of meiosis and fertilization is demonstrated by analyzing a simulation of meiosis and fertilization that uses model chromosomes with different alleles of a gene. Students also learn how a mistake in meiosis can result in Down Syndrome.
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See also a complete list of activities:
Hands-on Activities for Teaching Biology to High School and Middle School Students