Genetics

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Japanese bantams carry a gene (inheritance factor) which transmits short-leg length and another that carries normal leg length. If two birds are mated, each parent transmits both factors to the offspring. An embryo that receives the short-legged gene from both parents cannot hatch, but dies in the shell. so overall breeding results will resemble the following :-

* 25% of embryos will receive double short-legged genes; this pure short-legged condition is always lethal.

* 50% of embryos will receive one short-legged gene and one normal-legged gene, and as the short-legged gene is dominant, these will appear short-legged.

* 25% of embryos will receive double normal-legged genes and will have longer legs than the breeder wishes. If these birds were mated together they would never produce short-legged Japanese bantams.

       Short leg length                            Long leg length

 

This Website was prepared for the Japanese Bantam Club of Great Britain by Terry and Lisa Crook. If you have any questions or comments please Email the club at: japclub@ukonline.co.uk

Last updated on 24/02/2005