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100 GOOD QUESTIONS THAT WILL TAKE ALOT OF THOUGHT (2cd question)

Old 08-18-2004, 09:57 AM
  #21  
Nontypical Buck
 
Join Date: Feb 2003
Location: Warren PA USA
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Default RE: 100 GOOD QUESTIONS THAT WILL TAKE ALOT OF THOUGHT (2cd question)

Hoopy said:

Maybe some deer eat more then others, once again, genetics does not play a role in antler developement.
Then he said:

BTW in your quotes above, I see alot of the word, MAYBE and PROBABLY, but not a DEFINATLEY.
quote:
Contradicting yourself! It's okay to maybe think that some deer didn't eat as much, but it's not okay to think that just probably/might have a genetic code that predicts antler development.

I pose this question for you: What makes some racks really wide? Or really tall? Or long tines? Or long brow tines? Or characteristic droptines form one buck to his offspring to his offspring and so on?
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Old 08-18-2004, 10:00 AM
  #22  
 
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Default RE: 100 GOOD QUESTIONS THAT WILL TAKE ALOT OF THOUGHT (2cd question)

Very interesting read, this guy studies antler growth, and has scientifically shown what protiens and chemicals make them grow the fastest.
Once again, it has nothing to do with genetics
[quote] Rajaram is with the Central Leather Research Institute, Chennai. He works on collagen based biomaterials. He is interested in natural history as a hobby."

ConclusionsThe structure and properties of antlers have been well studied,but our understanding of the biochemical and physiologicalmechanisms involved in antler growth is still unclear. Some ofthe as yet unanswered questions are:1. How has the antler mechanism evolved? ie. How does itcommit suicide by withdrawing blood supply, cast off the antlerand re-grow it the next year?2. How does the scalp transform to velvet skin as the first antlersdevelop?3. When the antler is cast off, how and why do pedicel stumpsgive rise to antler buds instead of scar tissue?4. How is it that tropical deer generate antlers any time of theThe structure andproperties ofantlers have beenwell studied, butour understandingof the biochemicaland physiologicalmechanismsinvolved in antlergrowth is stillunclear.
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Page 14
63RESONANCE July 2004GENERAL ARTICLEyear whereas antler growth is linked to day-length in the temper-ate zones?5. How does calcification occur at such a fast pace in antlers?6. What is the connection between collagen type(s) present andmineralization at various stages of antler growth?7. How does environmental quality affect antler evolution apartfrom sexual selection?An understanding of the various mechanisms involved in antlergrowth is worth pursuing for its own sake, and also for thepossible benefits in understanding bone pathologies.Suggested Reading[1] W Modell, Horns and Antlers, Scientific American, Vol. 220, No.4,pp.114-122. 1969.[2] M Krishnan, An ecological survey of the larger mammals of peninsularIndia, Journal of the Bombay Natural History Society, Vol. 69, No.3,pp.469-501, 1973.[3] A Rajaram and N Ramanathan, Tensile Properties of Antler Bone,Calcified Tissue International, Vol. 34, pp. 301-305, 1982.[4] R V Krstic, General Histology of the Mammal, Springer-Verlag, pp. 186-217, 1984.[5] S H Prater, The Book of Indian Animals, pp. 274-297, Bombay NaturalHistory Society, 1991.[6] G J Rockledge, G Milne, K J Boss, C Furquharson, and S P Robins, Deerantler does not represent a typical endochondral growth system, Com-parative Biochemistry and Physiology, Vol. 118, B(2), pp. 303-308, 1997.[7] C Groves, Taxonomy of the ungulates of the Indian subcontinent,Journal of the Bombay Natural History Society, Vol. 100, Nos.2&3, pp.341-362, 2003.(Many of the above articles, especially post 1995, are freely downloadablefrom the Internet)Address for CorrespondenceA RajaramBiophysics Lab, CLRI, Adyar,Chennai 600020, India.Email: [email protected]

I do not see how you infer that genetics does not play a role in antler development, given this article. He mentions genetics only in passing, in Box 2, "Bone Growth from a cartilage (chondral) Model-Calcification of Long Bones.
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Old 08-18-2004, 10:09 AM
  #23  
Giant Nontypical
 
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Default RE: 100 GOOD QUESTIONS THAT WILL TAKE ALOT OF THOUGHT (2cd question)

please do us a favor and spare us from your 98 other stupid questions. You've just proven in a few statements here you know nothing.
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Old 08-18-2004, 09:23 PM
  #24  
 
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Default RE: 100 GOOD QUESTIONS THAT WILL TAKE ALOT OF THOUGHT (2cd question)

I was going to make a reply but the more i read the more i just cant believe someone would really argue that genetics has no part ............ahhhh what the hell who knows maybe that button head this year will be a 12 pointer next yr god knows im feeding him all these nutrients that arent gonna matter anyways>>>>LOL
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