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| What are your questions; Genetics | |
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| Tweet Topic Started: Mar 16 2014, 07:47 PM (307 Views) | |
| debs | Mar 16 2014, 07:47 PM Post #1 |
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Advanced Member
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Dr Sharpe A former nurse and now a safety instructor both roles taught me a tremendous amount about toxins and chemicals and the harmful effects...acute versus long term effects. I also teach WHMIS (Workplace Hazardous Materials Information Systems) which focuses on the safe use of chemicals etc so i often wonder about the long term effects of pollution and repeated exposures to chemicals has on these majestic birds. We all know that the bald eagle population was nearly wiped out because of DDT poisoning ... and quite possibly due to other exposures to other harmful pesticides and/or chemicals ... and that with the ban of DDT; bald eagle protective laws and better environmental regulations etc the bald eagle population has made a remarkable recovery! I guess i am wondering if its possible for the elder birds or parents to pass on the toxins/poisons they accumulated over their life time...down to their off spring thru the process of genetics and if so...could we assume that some of these young mature birds just starting out could suffer some ill effects (weaker egg shells etc) as well? I know genetics is a broad topic ... look forward to your answer thank you. |
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| Eagle Guy | Mar 17 2014, 06:41 AM Post #2 |
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Advanced Member
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They could pass on some DDE in the egg contents, which the chick uses to develop, but not through genetics. I think the major problem leading to egg breakage is that eagles have talons. |
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| debs | Mar 17 2014, 05:04 PM Post #3 |
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Advanced Member
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Dr. Sharpe thanks so much for the clarification. Interesting that genetics plays no role yet the parents may still pass on DDT and/or other pesticides or poisons onto their chicks via the products of conception (not sure if that is the right term or not) or egg contents. I guess we will have to wait and see if there is any long term effects to these majestic birds and their populations. Thanks again for the information appreciate it. |
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5:02 PM Jul 10