Soul suckers

Friend has a hidden gene woma and is saying breeding it to a lesser makes soul suckers. World of ball pythons says differently. According to them you need a granite in the mix. Who is correct ?

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Your friend is right. The WOBP Genetics Wizard is not without its opportunities...

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The granite isn't a different morph. Soul suckers are lesser hidden gene womas. The reason the granite thing even exists is duecto the variance in the hgw morph. You can't make singe gene granites from a hidden gene womagranite.