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TRANSMISSION OF C-BAND VARIANTS IN JAPANESE QUAIL
Sohn, S.H.,Fechheimer, N.S.,Nestor, K.E. Asian Australasian Association of Animal Productio 1995 Animal Bioscience Vol.8 No.2
Heteromorphisms of chromosome banding patterns can be useful markers for gene mapping and other kinds of genetic studies. In Japanese quail, the centromere region of chromosome No. 4 is the site of a heteromorphism. One form of the C-band at this region is relatively small ("a" form); an alternative form is much larger ("b" form). To identify the transmission patterns, all possible matings were made between birds with karyotype a/a, a/b, and b/b. The outcome from all crosses are entirely consistent with the expectation from simple Mendelian transmission. No evidence was found for segregation distortion or gametic selection. This dimorphism, therefore, is a reliable marker.
유전 및 환경적 요인에 따른 세포유전학적 연구 3 . 체중에 따른 염색체 이상
김철욱(C . W . Kim),손진기(J . K . Son),(N . S . Fechheimer) 한국축산학회 1991 한국축산학회지 Vol.33 No.3
This study has examined the fertility rate. the viability and the incidence of heteroploidy of each group of Japanese quails divided by their dam body weight and sire body weight Using 1,349 early embryos of the Japanese quails which were selected and bred for the levels of total plasma phosphorus. As regards the dam body weight. the DBW3 group whose dam body weight was the heaviest produced more heteroploidy than the DBWl or DBW2, but with regard to the sire body weight. the SBWl or SBW2 whose sire body weight was lighter produced more heteroploidy than SBW3 whose sire body weight was heavier.
유전 및 환경적 요인에 따른 세포유전학적 연구 4 . 산란능력에 따른 염색체 이상
김철욱(C . W . Kim),손진기(J . K . Son),(N . S . Fechheimer) 한국축산학회 1991 한국축산학회지 Vol.33 No.3
This study has examined the fertility rate, the viability and the incidence of heteroploidy of each group of Japanese quails divided by their egg productivity using 1,349 early embryos of the Japanese quails which were selected and bred for the levels of total plasma phosphorus. There were differences in the frequencies of heteroploidy of each egg productivity level, EP3 whose egg productivity was superior yielded more heteroploid embryos than EP1 or EP2.