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| Content Provider | Springer Nature Link |
|---|---|
| Author | Wu, Xiaoqiu Ding, Bo Zhang, Ya Ping |
| Copyright Year | 1999 |
| Abstract | We examined protein polymorphism of 20 nativepig breeds in China and 3 introduced pig breeds. Thirtyloci have been investigated, among which six loci werefound to be polymorphic. Especially, the polymorphismof malate dehydrogenase (MDH), adenylate kinase(AK), and two new alleles of adenosine deaminase (ADA)had not been reported in domestic pigs and wild pigs.The percentage of polymorphic loci (P), the meanheterozygosity (H), and the mean number ofalleles (A) are 0.200, 0.065, and 1.300, respectively.The degree of genetic variability of Chinese pigs as awhole was higher than that of goats, lower than thatof cattle and horses, and similar to that ofsheep. Using the gene frequencies of the 30 loci, Nei'sgenetic distance among the 20 native breeds in China and3 introduced pig breeds was calculated by theformula of Nei. The program NEIGHBOR in PHYLIP3.5c was chosen to construct an UPGMA tree and a NJtree. Our results show that, of the total geneticvariation found in the native pig breeds in China, 31%(0.31) is ascribable to genetic differencesamong breeds. About 69% of the total genetic variationis found within breeds. Most breeds are in linkagedisequilibrium. The patterns of genetic similaritiesbetween the Chinese native pig breeds were notin agreement with the proposed pig type classification. |
| Starting Page | 159 |
| Ending Page | 173 |
| Page Count | 15 |
| File Format | |
| ISSN | 00062928 |
| Journal | Biochemical Genetics |
| Volume Number | 37 |
| Issue Number | 5-6 |
| e-ISSN | 15734927 |
| Language | English |
| Publisher | Kluwer Academic Publishers-Plenum Publishers |
| Publisher Date | 1999-01-01 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Human Genetics Medical Microbiology Biochemistry Zoology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Medicine Biochemistry Molecular Biology Ecology, Evolution, Behavior and Systematics |
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