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utsfl:classroom:seminars:pba201h [2017/07/25 12:09] – mmccann | utsfl:classroom:seminars:pba201h [2023/12/01 09:10] (current) – [Primitive Streak & Twinning] mmccann | ||
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====== PBA201H: The Biology of Prenatal Human Development ====== | ====== PBA201H: The Biology of Prenatal Human Development ====== | ||
+ | |||
+ | Video (15min cut of EHD documentary): | ||
+ | http:// | ||
+ | |||
+ | OR [[https:// | ||
< | < | ||
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==== Fertilization ==== | ==== Fertilization ==== | ||
* As we learned in [[PBA100Y]], | * As we learned in [[PBA100Y]], | ||
+ | * FIXME http:// | ||
> "This brand new embryo contains the original copy of a **new individual’s complete genetic code**. Gender, eye color, and other traits are determined at conception, also known as fertilization." | > "This brand new embryo contains the original copy of a **new individual’s complete genetic code**. Gender, eye color, and other traits are determined at conception, also known as fertilization." | ||
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- The genetic code of the zygote is unique--distinct from those of the mother and father. For instance, a pregnant woman could be pregnant with a male child. | - The genetic code of the zygote is unique--distinct from those of the mother and father. For instance, a pregnant woman could be pregnant with a male child. | ||
- Whole: | - Whole: | ||
- | * Some may ask what makes a single-celled zygote different from a single cell of, say, human skin. Both are living, human, diploid cells. However, one is a human //whole// while the other is a human //part//. Give each cell time, nutrition, and safety, then wait 9 months or 15 years...which one continues developing into a toddler, or a teenager? A skin cell will always remain a skin cell, while a zygote will continue human development into an embryo, fetus, newborn, toddler, etc. | + | * Some may ask what makes a single-celled zygote different from a single cell of, say, human skin. Both are living, human, diploid cells. However, one is a human //whole// while the other is a human //part//. Give each cell time, nutrition, and safety, then wait 9 months or 15 years...which one continues developing into a toddler, or a teenager? A skin cell will always remain a skin cell, while a zygote will continue human development into an embryo, fetus, newborn, toddler, etc. |
+ | * //Nothing is added// to the embryo from the time of fertilization except adequate nutrition and a proper environment, | ||
- Living: | - Living: | ||
- If something is growing, isn't it alive? | - If something is growing, isn't it alive? | ||
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==== Developmental Timeline ==== | ==== Developmental Timeline ==== | ||
- | * FIXME have Oriyana or other staffer look over this for accuracy | + | * FIXME have Oriyana or other staffer look over this for accuracy, or check against this / pull significant points from **EHD Prenatal Summary** http:// |
* The first eight weeks of a pre-born child' | * The first eight weeks of a pre-born child' | ||
* The embryonic period is a time of rapid growth and development for the child: | * The embryonic period is a time of rapid growth and development for the child: | ||
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* Take the case of the flatworm.((" | * Take the case of the flatworm.((" | ||
* Likewise, even though in rare situations one human splits into two, one human existed before that split happened, and the beginning of that one human was still at fertilization. | * Likewise, even though in rare situations one human splits into two, one human existed before that split happened, and the beginning of that one human was still at fertilization. | ||
+ | |||
+ | ERI Video on this: https:// | ||
==== Heartbeat ==== | ==== Heartbeat ==== | ||
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* The embryo' | * The embryo' | ||
- | Embed video: <iframe src=" | + | {{ : |
+ | |||
+ | **Embed** video in actual CCBR website (can embed EHD videos w/o permission): <iframe src=" | ||
==== Brain ==== | ==== Brain ==== | ||
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* May we kill her because of her inability to feel pain? Why then may we kill the pre-born because they don't feel pain at certain points during pregnancy? | * May we kill her because of her inability to feel pain? Why then may we kill the pre-born because they don't feel pain at certain points during pregnancy? | ||
* To make the point even more simply: would it be permissible to kill a 3-year-old boy as long as we give him anaesthetic first? | * To make the point even more simply: would it be permissible to kill a 3-year-old boy as long as we give him anaesthetic first? | ||
+ | |||
+ | FIXME Giving analgesics for fetal surgeries seems to be commonplace, | ||
+ | [[https:// | ||
+ | " | ||
==== Viability ==== | ==== Viability ==== | ||
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* Furthermore, | * Furthermore, | ||
* Lastly, a pre-born child is always viable if in the right // | * Lastly, a pre-born child is always viable if in the right // | ||
+ | * FIXME confusing viability and vitality, the difference between being able to survive and being alive | ||
===== Common Objections ===== | ===== Common Objections ===== | ||
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* Terms like "blob of tissue", | * Terms like "blob of tissue", | ||
- | * Although a pre-born child is less developed than older humans, she is still a [[PBA100Y|human being with human right]], regardless of her developmental level. | + | * Although a pre-born child is less developed than older humans, she is still a [[PBA100Y|human being with human rights]], regardless of her developmental level. |
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===== Conclusion ===== | ===== Conclusion ===== | ||
- | Biology textbooks, embryology studies, and medical advancements continue to confirm what we already know: pre-born children are living human beings from fertilization | + | Biology textbooks, embryology studies, and medical advancements continue to confirm what we already know: pre-born children are living human beings from fertilization |
===== Other Links ===== | ===== Other Links ===== | ||
- | + | | |
- | * Maybe introduce fetal origins (Annie Murphy Paul): [[https:// | + | * https:// |
+ | * https:// | ||