Worksheet #5 COMPLETE

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Apr 3, 2024

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BIO1050 - Todd Week 5 – Inheritance Listen to the podcast episode and answer the following questions. Note: You only need to listen to the first 40 minutes. This is a longer episode, and while the final chapter of the episode is interesting, it relates less to our class content. Feel free to listen if you like, but there are no questions on the worksheet that relate to it. Content warning: Mention of suicide. 1. What was Lamarck’s idea of evolution or inheritance? How was this idea incorrect? (1 pt) - Lamarck's idea that traits acquired during an organism's life could be passed down to its offspring always seemed fascinating to me, akin to wishing one could become a better person through sheer willpower and then pass those virtues on to one's children. Learning how Lamarck theorized about giraffes stretching their necks and blacksmiths passing on their muscular build to their offspring, only for these ideas to be debunked by modern genetics, was a reminder of how our understanding of the natural world evolves. It's a humbling lesson in the importance of evidence over intuition in science. 2. What side of the Midwife Frog story do you believe? Why? Obviously, there is no clear right answer. Just want to hear your thoughts. (1 pts) - The story of Paul Kammerer and the Midwife Frogs is a haunting tale of passion for scientific discovery damaged by controversy. I lean towards skepticism regarding Kammerer's claims, primarily due to the accusations of fraud that culminated in his end. However, this story also reflects the broader narrative of scientific questions filled with pitfalls but driven by a quest for understanding. It's a reminder that the path to truth is often as important as the discoveries we make along the way. 3. What was the mechanism behind the inheritance of the high maternal care licking trait? (2 pts) - This mechanism was particularly striking to me. It serves as a compelling example of how behavior and environment can intersect with genetics in unexpected ways, challenging the once rigid boundary between nature and nurture. This discovery has made me think more about my understanding of inheritance, highlighting the connection between our genetic talent and the experiences that shape our lives. 4. What surprising inheritance pattern did they observe in the Swedish family history data? (2 pts) - The inheritance pattern suggesting that the nutritional status of a generation can impact the health outcomes of subsequent generations, was a revelation. This finding suggests a link between our ancestors' lives and our own, extending beyond mere genetic inheritance to encompass shared historical and environmental legacies. It's an interesting thought that

BIO1050 - Todd the hardships and fortunes of our ancestors might continue through time to affect us in profound, and sometimes invisible ways. 5. What was surprising to you, or changed your thinking? (1 pt) - The aspect of the podcast that most altered my thinking was the realization that our actions and environments can leave marks on our genetic legacy. The notion that maternal care in rats can epigenetically influence their offspring's behavior and stress responses was both surprising and deeply moving. It reinforces the profound responsibility we carry in our interactions with the world and with each other, as these may resonate far beyond our immediate circumstances, shaping the lives of generations yet unborn. 6. What is one question you still have about this information? (1 pt) - After hearing all about how our environment and actions might adjust what we pass on, I’ve questioned in my head, what does this mean for the choices we make today? Knowing that the way we live, the stress we endure, and even the love we share could carry through our genes to future generations is both empowering and daunting. How do we use this knowledge responsibly? It's not just about science anymore it's about the legacy we're crafting with every decision we make. This thought puts into perspective the weight of our actions, not just for our immediate family but for their descendants too. It's a fascinating and slightly overwhelming concept to grapple with, blending the line between our present lives and the future of those who'll come after us.

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