I get asked this quite often at our facility from people who come in wanting to add pieces to their collection. The answer I give in most cases is that these two genes are different in that the Spider is a co-dominant trait in that there has never been a dominant form produced such as a Super Pastel or in the case of a Woma a Pearl. The Woma does have a dominant form that unfortunately never lives unless there is another gene included in the breeding such as breeding a Pastel Woma to a Woma. Pearls produced from a Woma to Woma breeding to my knowledge have all died with in a week of hatching, where as Pearls produced from breeding a Pastel Woma to a Woma live. It should also be pointed out that the Pearl from this breeding does not include the Pastel trait since there has also been Pastel Pearls produced. So to make a long story short while the Woma morph is somewhat similar to the Spider morph, it has a dominant form, while the Spider does not.
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