Fantailed Goldfish have two tails. Why? Does a gene account for that?

Subject: Fantailed Goldfish have two tails. Why? Does a gene account for that?

Date: Fri Aug 6 09:55:56 2004
Posted by No name entered.
Grade level: grad (science) School: No school entered.
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Area of science: Zoology
ID: 1091804156.Zo

Message:


I have four goldfish(Carassius auratus). They all have 2 tails.Fantailed and
twintailed are two words for this. "Fancy" goldfish are specially bred goldfish,
and most have two tails. Since the "Fancy" part is genetic, I thought the
fantailed part was genetic. I don't think it is twinning,because as far as I
know,twinning is not genetic. I have never seen a baby Fantail,but I am sure
fish breeders don't divide embryos.Please tell me why some goldfish have two
tails and if other animals could spawn a germ line similar to this. Thank you.

Re: Fantailed Goldfish have two tails. Why? Does a gene account for that?

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