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Discussions emphasize the role of gene loss in shaping the platypus's gastrointestinal system, with examples like mentions of gene inactivation, stomach anatomy, and comparisons to ancestors. The tone combines scientific references and personal observations, reflecting a blend of factual analysis and curiosity about evolutionary processes.
Most discussions support the idea that gene loss in the platypus relates to its unique gastric features, showing general consensus with strong references to the research findings.
Participants show high curiosity about how genetic changes influence physical traits like stomach size and function, especially through mentions of anatomy and evolution.
The discourse includes references to specific studies, dissection experiences, and genetic data, indicating moderate to deep involvement with the topic.
The conversations highlight the significance of gene loss in understanding mammalian evolution, suggesting a meaningful contribution to evolutionary biology debates.
@DaniRabaiotti Not true, they have stomachs, which have the essential stomach function of storing food and controlling release into the small intestine. Just non-secretory. Ordoñez et al. 2008 Loss of genes implicated in gastric function during platypus evolution Genome biology.
@krishnamku I came across this fact in the book "Why Evolution is True" by Jerry Coyne. But you can find more information on several websites and papers. https://t.co/C1HFf00Dz4 https://t.co/0WMAZlzBAL
@davidghamilton1 more than seems to be in correct - is incorrect. I have dissected echidna stomachs. This paper shows that monotreme ancestors must have had secretory stomachs Ordoñez, et al. (2008) Loss of genes implicated in gastric function during platypus evolution. https://t.co/5cLLpVs3AU
@AhmedBehiry لا حضرتك التطور ظاهرة فعلًا ظاهرة وعليها أدلة أنصح حضرتك مبدئيًا مشاهدة قناة اركيوبتركس عرض فيها الأدلة ورد على سلسلة إياد قنيبي ووضح فيها المغالطات الي عملها القنيبي https://t.co/iCD3POx589 وده شخص اكاديمي متخصص فاهم بيقول ايه مش هتخسر حاجة لما تسمع وجهة نظر مختلفة
RT @topechidna: @davidghamilton1 more than seems to be in correct - is incorrect. I have dissected echidna stomachs. This paper shows that…
RT @topechidna: @DaniRabaiotti Not true, they have stomachs, which have the essential stomach function of storing food and controlling rele…
Explore why creatures like platypuses, pufferfish, and seahorses have evolved without functioning stomachs and how they survive without this organ, revealing fascinating insights into vertebrate evolution.
This video explores the identification and analysis of unitary pseudogenes—nonfunctional gene remnants—and their significance in human and primate evolution. It discusses gene loss timelines, ongoing genetic variation…
@AhmedBehiry لا حضرتك التطور ظاهرة فعلًا ظاهرة وعليها أدلة أنصح حضرتك مبدئيًا مشاهدة قناة اركيوبتركس عرض فيها الأدلة ورد على سلسلة إياد قنيبي ووضح فيها المغالطات الي عملها القنيبي https://t.co/iCD3POx589 وده شخص اكاديمي متخصص فاهم بيقول ايه مش هتخسر حاجة لما تسمع وجهة نظر مختلفة
@SOMMUS252 @Hammrawi_ https://t.co/2weVXRkes4 https://t.co/xNLwJnTDxX https://t.co/xuQykvaO2b
Previous work found bits of their DNA missing that are usually required to produce gastric acid and proteins. This was all well and good but didn't explain the contrast in stomach anatomy (or again, lack thereof) between monotremes and other animals... https://t.co/je1hUjtuMk
@TamerAmar19 @eclipse2255 @Null2v_ @sweet_boy00 @betterlifefore احدى الاليات التي تؤدي الى تغير عدد الكروموسومات هي اندماج كروموسومين وهذا حصل في اسلاف البشر عند تطورهم من اسلافهم شاهد الفيديو https://t.co/EaI8PsIioq
@krishnamku I came across this fact in the book "Why Evolution is True" by Jerry Coyne. But you can find more information on several websites and papers. https://t.co/C1HFf00Dz4 https://t.co/0WMAZlzBAL
This is not a primitive feature, but loss of a strongly conserved ancestral feature. see https://t.co/wgJz5Bvxy1 Similarly echidnas and modern platypuses lack teeth although their ancestors had teeth. In fact it has just occurred to me that these two things are probably linked.
RT @topechidna: @davidghamilton1 more than seems to be in correct - is incorrect. I have dissected echidna stomachs. This paper shows that…
RT @topechidna: @davidghamilton1 more than seems to be in correct - is incorrect. I have dissected echidna stomachs. This paper shows that…
RT @topechidna: @davidghamilton1 more than seems to be in correct - is incorrect. I have dissected echidna stomachs. This paper shows that…
RT @topechidna: @DaniRabaiotti Not true, they have stomachs, which have the essential stomach function of storing food and controlling rele…
RT @topechidna: @DaniRabaiotti Not true, they have stomachs, which have the essential stomach function of storing food and controlling rele…
@davidghamilton1 more than seems to be in correct - is incorrect. I have dissected echidna stomachs. This paper shows that monotreme ancestors must have had secretory stomachs Ordoñez, et al. (2008) Loss of genes implicated in gastric function during platypus evolution. https://t.co/5cLLpVs3AU
@DaniRabaiotti Not true, they have stomachs, which have the essential stomach function of storing food and controlling release into the small intestine. Just non-secretory. Ordoñez et al. 2008 Loss of genes implicated in gastric function during platypus evolution Genome biology.
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