Caudal deformity syndrome (CDS): an autosomal recessive lethal mutation in the tilapia, Oreochromis niloticus (L.).

Autor:	Mair, G. C.
Předmět:	TILAPIA GENOTYPE-environment interaction GENETICS PHENOTYPES CICHLIDS SAROTHERODON
Zdroj:	Journal of Fish Diseases; Jan1992, Vol. 15 Issue 1, p71-75, 5p
Abstrakt:	Deformities consisting of an upward curvature of the spine in the caudal region with varying degrees of reduction of the caudal fin were observed in some fry of a laboratory population of Oreochromis niloticus (L.). This spinal deformity was combined with a reduction of the operculum, exposing some gill lamellae. No deformed fry survived for more than 7 days after completion of yolk sac absorption. Breeding tests demonstrate that the mutant phenotype is controlled by a single autosomal recessive gene. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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