WHY WORRY JUST DO IT YOU MAY COME UP WITH SOMTHING NEVER SEEN BEFORE..... LETS FACE IT IF YOU WERE TO BUY SIBLING PAIRS AND YOU BREED YOU JUST CARRYING ON SOMEONES WORK NOT YOURS..........
dt and ct are recessive so im not sure what you would get...unless the ct carries dt, you wont get any dts. and unless the dt carries ct, you wont get any cts. you may get a few combtails though. sorry-im not 100% sure.