Báo cáo sinh học: "Genetic variation and relationships of eighteen Chinese indigenous pig breeds" ppt

... individuals and 184 com- mercial pig individuals were sampled from 18 Chinese indigenous breeds and 3 commercial breeds. Eighteen Chinese indigenous breeds represent 5 of the total 6 types of Chinese indigenous ... previous studies of other Chinese indigenous pig breeds [7,17]. 3.2. Population structure of Chinese indigenous pig breeds A Neighbor-Joinin...

Ngày tải lên: 14/08/2014, 13:22

... at least three of the RdRp recombinants (RM1, RM3, and RM5) and four of the HSP70h recombinants (HM1, HM2, HM4, and HM7) are genuine. As none of these recom- binants were found in both of the trees ... sampled from tree C5 (for RdRp Kst* = 0.15 and 0.16 for compar- isons of C5 with C3 and C6 respectively; for HSP70h Kst* = 0.042 and 0.051 for comparisons of C5 with C3...

Ngày tải lên: 20/06/2014, 01:20

... can accommodate any structure of fixed effects and nondiagonal patterns of the variance-covariance matrices of ui and u2, Var(ui) = Al and Var(u2) = A2, ie for the particular ... expressed as the sum of a quadratic form and the trace of parts of the inverse coefficient matrix of the mixed model equations (as described in Foulley...

Ngày tải lên: 09/08/2014, 18:21

... one-half of the difference between the mean body weights of the two homozygotes and the d values estimate the difference between the mean weight of the heterozygotes and that of the mean of the ... population of mice and discovered a number of epistatic interactions of unknown QTLs that significantly affected the physical activity traits. Contribution of epista- sis to...

Ngày tải lên: 14/08/2014, 13:21

... sums of squares and cross-products are given in table I. Table II presents the estimation of genetic and residual parameters under the full and reduced (hypothesis of a ... the data vector and y = y[ t ]. Ei l (.! can be expressed as a function of bilinear forms and a trace of parts of the inverse coefficient matrix of the mi...

Ngày tải lên: 09/08/2014, 18:21

... F-stat software (2.9.3.2) to determine the geneti c v ar iation within and between breeds, the number of alleles, and the heterozygosities, and the W right F-statistics [25]andtheDISPAN software ... course of utilization, China Agriculture Press, Beijing, China, 1990 (in Chinese) . [8] Lei C., Chen H., Hu S., Study on the Y chromosome polymorphisms and origination and classifica...

Ngày tải lên: 14/08/2014, 13:21

... included in the calculation of genetic variation, the P- and H-values rise to mean P = 13.3% instead of 11% and mean H = 3.9% instead of 2.9%, but this is fully ... give an overestimation of overall genetic variability (mean P = 13%, mean H = 3.4%). The problem of the influence of the number and composition of proteins studied...

Ngày tải lên: 14/08/2014, 20:20

... mean P of 12% and a mean H of 3.3% for 25 species of small non fossorial mammals. Nevo et al (1984) give a mean P of 19.1% and H of 4.1% for 184 species of mammals, most ... heterozygosities and the proportions of loci polymorphic are listed in table III. With the exception of Ak-1 and Pep-2 in SOL, and Pgm-2 and Mpi i...

Ngày tải lên: 14/08/2014, 20:20

... with the aim of identifying their social and geo- graphical origins and their expectations and difficulties regarding their education and professional future. Methods A piloted, standardized questionnaire, ... burden of lecturing and learning hours demanded by the medical school. Twenty-six percent were unhappy or partially unhappy with it and 20% did not have any opinion. Reg...

Ngày tải lên: 18/06/2014, 17:20

... por- trayed as a demanding profession of high added social value, but also a rewarding profession, as rural doctors provide a wide range of comprehensive care and have a high level of autonomy. This ... with professional practice [31]. Group discussions contributed to internalisation of ways of thinking, feeling and acting as a rural doctor. The crys- tallisation of rural doct...

Ngày tải lên: 18/06/2014, 17:20