好像挺複雜的,一般長毛基因是隱性基因。要看那隻短毛貓是不是長毛基因的攜帶者。

來源: AtlasShrug 2014-11-18 11:58:24 [] [舊帖] [給我悄悄話] 本文已被閱讀: 次 (1758 bytes)
wiki上講,也有隱性的短毛基因。不管長毛短毛,都會很可愛的。

http://en.wikipedia.org/wiki/Cat_coat_genetics

Genes involved in fur length and texture[edit]

Cat fur length is governed by the Long hair gene in which the dominant form, L, codes for short hair, and the recessive l codes for long hair. In the longhaired cat, the transition from anagen (hair growth) to catagen (cessation of hair growth) is delayed due to this mutation. A rare recessive shorthair gene has been observed in some lines of Persian cat (silvers) where two longhaired parents have produced shorthaired offspring.

There have been many genes identified that result in unusual cat fur. These genes were discovered in random-bred cats and selected for. Some of the genes are in danger of going extinct because the cats are not sold beyond the region where the mutation originated or there is simply not enough demand for cats expressing the mutation.

In many breeds, coat gene mutations are unwelcome. An example is the rex allele which appeared in Maine Coons in the early 1990s. Rexes appeared in America, Germany and the UK, where one breeder caused consternation by calling them "Maine Waves". Two UK breeders did test mating which indicated that this was probably a new rex mutation and that it was recessive. The density of the hair was similar to normally coated Maine Coons, but consisted only of down type hairs with a normal down type helical curl, which varied as in normal down hairs. Whiskers were more curved, but not curly. Maine Coons do not have awn hairs, and after moulting, the rexes had a very thin coat.



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你的意思是長毛和短毛混,應該是出來短毛的?那大毛就是它們的媽媽??因為剛才我看見 -咪嗚- 給 咪嗚 發送悄悄話 咪嗚 的博客首頁 (333 bytes) () 11/18/2014 postreply 12:06:56

不一定。我的理解是短毛貓可以是Ll(長毛隱性基因攜帶者)或LL,長毛貓是ll. -AtlasShrug- 給 AtlasShrug 發送悄悄話 (373 bytes) () 11/18/2014 postreply 12:16:36

那還是短毛可能性大? -咪嗚- 給 咪嗚 發送悄悄話 咪嗚 的博客首頁 (0 bytes) () 11/18/2014 postreply 13:05:14

應該是,我以前看過報道說美國的非純種貓大概是10%長毛 (domestic longhair) -AtlasShrug- 給 AtlasShrug 發送悄悄話 (35 bytes) () 11/18/2014 postreply 13:17:55

那我真是頭要被打通了!難道郝思嘉是大毛貓的女兒?? -咪嗚- 給 咪嗚 發送悄悄話 咪嗚 的博客首頁 (0 bytes) () 11/18/2014 postreply 13:24:09

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