From my understanding sometimes these genes for white and piebald can be deleterious to essential organs. It could be that a piebald ball with a white head would not develop correctly congenitally and not make it past its developmental stages. For example, I know that in some animals like white Boxers (dog) the white gene can lead to malformation of the eyes and ears internally as well as make them susceptible to cancers etc. I also read somewhere that horses homozygous for white cannot be born because for some reason the white gene affects the development of nerves in utero. It could be that the head of the piebald ball python must have relatively normal pigmentation in order to develop properly to live. Or it could be that we haven't been lucky enough to see one as cool looking as to have a white head. Just my 2 cents...

Rafael

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• Things that make you say HMMMMMM........ - JKBREPTILES, Tue Feb 28 08:41:18 2006
• RE: Things that make you say HMMMMMM........ - Corey Woods, Tue Feb 28 08:57:38 2006
• RE: Things that make you say HMMMMMM........ - JKBREPTILES, Tue Feb 28 09:04:55 2006
• RE: Things that make you say HMMMMMM........ - JKBREPTILES, Tue Feb 28 09:05:50 2006
• RE: Things that make you say HMMMMMM.... - toshamc, Tue Feb 28 11:34:36 2006
• Tosha..the tiger gene in retics is codom - JP, Tue Feb 28 11:36:33 2006
• RE: Tosha..the tiger gene in retics is codom - RandyRemington, Wed Mar 1 07:44:49 2006
• RE: Things that make you say HMMMMMM........ - Brandon Osborne, Tue Feb 28 16:32:22 2006
• Re-Read my post..... - Corey Woods, Tue Feb 28 09:28:44 2006
• Coreys right, but a hypothesis - JP, Tue Feb 28 10:19:39 2006
• Paul Hollander... - JP, Tue Feb 28 10:42:18 2006
• Bipaterity Sperm Mutations - JKBREPTILES, Tue Feb 28 11:23:24 2006
• RE: Bipaterity Sperm Mutations - JP, Tue Feb 28 11:33:49 2006
• Yep, I am there with ya...more - JKBREPTILES, Tue Feb 28 11:39:26 2006
• RE: Yep, I am there with ya...more - JP, Tue Feb 28 11:46:00 2006
• That's easy - JKBREPTILES, Tue Feb 28 11:47:54 2006
• RE: That's easy - JP, Tue Feb 28 11:51:48 2006
• Pied Crows have black heads - JKBREPTILES, Tue Feb 28 12:26:43 2006
• RE: Pied Crows have black heads - JP, Tue Feb 28 12:42:09 2006
• RE: Pied Crows have black heads - Ralph, Tue Feb 28 21:39:53 2006
• RE: Things that make you say HMMMMMM........ - joshhutto, Tue Feb 28 13:54:20 2006
• They were Super's - JKBREPTILES, Tue Feb 28 16:14:50 2006
• if two sperm fertilized eachother...np - bpconnection, Tue Feb 28 09:57:03 2006
• RE: Things that make you say HMMMMMM.... - Paul Hollander, Tue Feb 28 10:09:22 2006
• Now that insight opens this question - JKBREPTILES, Tue Feb 28 10:18:15 2006
• RE: Now that insight opens this question - morphed, Tue Feb 28 10:28:16 2006
• My parents always said I was a praradox - bpconnection, Tue Feb 28 11:10:24 2006
• I know you were totally joking, but.... - JP, Tue Feb 28 11:20:31 2006
• RE: I know you were totally joking, but.... - JKBREPTILES, Tue Feb 28 11:28:10 2006
• Um, who? - JKBREPTILES, Tue Feb 28 11:26:30 2006
• RE: Um, who? - morphed, Wed Mar 1 08:58:54 2006
• did you see proof??? - JKBREPTILES, Wed Mar 1 09:55:36 2006
• RE: did you see proof??? - morphed, Wed Mar 1 12:11:25 2006
• RE: Things that make you say HMMMMMM........ - morphed, Tue Feb 28 10:21:31 2006
• I think the acrosomal reaction.... - jgjulander, Tue Feb 28 11:17:10 2006
• Did you read the Article? - JKBREPTILES, Tue Feb 28 11:31:03 2006
• Well, ....Were this all went - JKBREPTILES, Tue Feb 28 11:45:53 2006
• and, just to clarify..... - JP, Tue Feb 28 11:54:04 2006