The Spider is a dominant trait. What this means is that the heterozygous and homozygous type appear the same. Noone has proven to have a homozygous spider as of yet. Therefore the grand majority of the spiders in existence are believed to be heterozygous. Therfore, a spider bred to a normal would produce 50% spiders. All of the the spiders in the litter would be Het., meaning it only carries one spider allele. Hope this helps.
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Tim and Monica Bailey
Bailey & Bailey Reptiles

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• dominant vs. co-dominant - forkit, Mon Jun 12 12:54:35 2006
• RE: dominant vs. co-dominant - pichereptiles, Mon Jun 12 13:03:52 2006
• RE: dominant vs. co-dominant - johnavilla, Mon Jun 12 13:05:08 2006
• RE: dominant vs. co-dominant - muddoc, Mon Jun 12 13:07:18 2006
• RE: dominant vs. co-dominant - goose82, Mon Jun 12 18:27:55 2006
• RE: dominant vs. co-dominant - Kingofspades, Mon Jun 12 22:16:41 2006
• RE: dominant vs. co-dominant - RandyRemington, Mon Jun 12 23:20:57 2006