(3) questions

1. Why is there a need for mitosis and meiosis? Are there characteristics that make them redundant? Explain. If you created an organism, would you use mitosis or meiosis in reproduction? Why? Provide two examples in nature of organisms that only use one process.

2. If you and your sister are products of your parent’s genes, how do you account for genetic variation between you? Is there genetic variation between twins? Explain.

3. Karyotyping employs identifying chromosomes by their physical appearance. What conclusions can one draw from an abnormal karyotype and the different types of genetically inherited diseases or abnormalities?