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Warm Up

Explore the concept of polyploid organisms, delve into the consequences of polyploidy, and differentiate between identical and fraternal twins. Understand the genetic influences on traits, the role of the environment, and how epigenetics can impact individual health. Dive into the unique case of Elise and learn how health-care professionals can advise on mental health concerns.

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Warm Up

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  1. Warm Up Describe a polyploid organism? What are some consequences of this?

  2. What are twins? How could this occur?

  3. Twins • Two offspring produced in the same pregnancy. • Identical or Fraternal

  4. Identical • Develop from one Egg that splits and forms two embryos.

  5. Fraternal • Develop from two separate eggs that are fertilized by two separate sperm.

  6. Identical Twins, Identical Fates? An Introduction to Epigenetics

  7. What exactly are twins, and how do they arise? Your response should distinguish between the two different types of twins.

  8. Do you think identical twins completely identical? Why or why not?

  9. What can studying twins tell us about the genetic influence on a particular trait?

  10. Speculate on some ways that the environment might have an influence on a person’s genes.

  11. Do you think Elise needs to be worried about her own mental health? Why or why not? If you were a health-care professional, what would you advise Elise to do?

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