Quote:
Originally Posted by exotic_idiot
Yup, like those ribbon, swallow genes?
Next time call X-guppy"X-men" liao... heheee
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Well....I have naturally occuring swallows that appear in my Japan blue line.
Naturally occuring because original parents did not have it, and for many generations also dun have. But after 4-5 years, some swallow tails just appear.