Báo cáo sinh học: "Phenotypic plasticity of body pigmentation in Drosophila: Expression a of X chromosome fragility in Holstein-Friesian cattle: preliminary study" ppsx

... Moreteau J.C., David J.R., Genetic variability of quan- titative traits in a natural population of Drosophila melanogaster. analysis of wild living flies and of successive laboratory ... presentation. For example, in absence of a significant temperature effect, we calculated a single value for each isofemale line, as carried out in tab...

Ngày tải lên: 09/08/2014, 18:22

... recorded data. In case of a temporary interruption, the probability of appearing again decreased when the last year of performance approached the last year of data recording. ... effect was a log gamma distribution. The maximization of the marginal likelihood of the ’Y parameter of the gamma density gave an estimate of the additive...

Ngày tải lên: 14/08/2014, 15:21

... population, an animal’s breeding value was the average of its parents’ breeding values, plus a segregation effect in which allowance was made for parental inbreeding. An animal’s ... ewes, with data being simulated over 20 or 10 years. Another set of simulations used 20 rams and 400 ewes for mating each year, with data simulated over 10...

Ngày tải lên: 14/08/2014, 15:21

... variable (après transformation en arc sinus racine carr6e pour les variables exprim6es en pour cent), une analyse de la variance a été r6alis6e selon le modèle lin6aire ... residual food intake, water intake, 48-week body weight and adult body weight variation, indicating that the ’overconsuming line’ (R +) was better adapted to the high tem...

Ngày tải lên: 14/08/2014, 15:21

... Small Animal Clinical Sciences; 4 3 Department of Clinical Sciences, Maryland; ’- 4 Department of BioSciences and Pathobiology, Virginia-Maryland Regional College of Veterinary ... grandoffspring of one of the rams, and maternal grandoffspring of the other. No affected lambs were produced from any mating that did not have at least one of...

Ngày tải lên: 14/08/2014, 15:21

... additive variance and or’ is the dominance variance, A is an additive relationship matrix, and F is a dominance parental relationship matrix as defined in Hoeschele and ... to a numerical error in the estimates of variances of 0.5% or less of the total variance. Sampling standard deviation of the estimates was calculated as standard...

Ngày tải lên: 14/08/2014, 15:21

... 803-813 Quezada-Diaz JE (1993) Estructura poblacional y patr6n de apareamientos de la especie cact6fila Drosophila buzzatii. PhD diss, Universitat Aut6noma de Barcelona, Spain Quezada-Diaz ... 541-595 Barbadilla A, Ruiz A, Santos M, Fontdevila A (1994) Mating pattern and fitness com- ponent analysis associated with inversion polymorphism in a natu...

Ngày tải lên: 14/08/2014, 15:21

... non-carrier animals. Production performance data were analysed using a linear model including the fixed effects of the batch (a batch was defined within each herd as a group ... The same abnormality was observed again in the dam of boar !2!, as well as in boars [3] and !4!. The karyotypes of 17 offspring of boar !1!, produced by...

Ngày tải lên: 14/08/2014, 15:21

... are shown in table II. Original article Expression of X chromosome fragility in Holstein-Friesian cattle: a preliminary study G Rincón. S Llambí, A Postiglioni Laboratorio de ... physical map and its functional analysis. Although mapping of the X chromosome has been limited to a small number of genes, DMD and DXS19 markers are in...

Ngày tải lên: 14/08/2014, 15:21

... data are lacking in that report. This report discusses data that support the existence of an additional Extension allele, for dominant black, in the horse. MATERIALS AND ... black’ foals. A mating to a chestnut stallion produced a ’near black’ foal. Odriozola M (1951) A los colores del caballo. Publicaciones del Sindicato Nacional de Ganad...

Ngày tải lên: 14/08/2014, 15:21