báo cáo khoa học: "Selection for abdominal bristle number in Drosophila subobscura, a highly polymorphic species" ppsx

... factors determining bristle number are really neutral for natural selection (FALCONER, 1981) in much the same way as in Drosophila melanogaster abdominal bristle number and ... abdominal bristle number in D. subobscura was initiated. Abdominal bristle number is classically considered to be a neutral character (CLA rroN et al., 1957...

Ngày tải lên: 09/08/2014, 22:22

... in the line S and the average performance of animals in the line C. The realised heritability for IVGP was determined by regressing the annual selection response against ... between the average performance of animals selected as parents and the average performance of all animals measured in each line, weighted

Ngày tải lên: 09/08/2014, 18:21

... Mean breeding values were calculated per line for each generation. When averaging breeding values for a trait, only individuals having a record for that trait were taken ... gilt and one castrated male) were slaughtered and recorded for a smaller number of meat quality traits. The numbers of animals measured in each line are given i...

Ngày tải lên: 09/08/2014, 18:21

... computer package [8]. Mean breeding values were calculated per line for each generation. When averaging breeding values for a trait, only individuals having a record for that ... backfat, 0.18 ! 0.09 for carcass lean meat percentage, and 0.49 f 0.15 for loin muscle area. In agreement with the rA estimates pertaining to carcass compositi...

Ngày tải lên: 09/08/2014, 18:21

... converted into selection intensities, taking into account the change in the selection criterion in G11, it appeared that selection intensity was more than doubled in the dam-daughter pathway against an ... in pigs 519 Table I. Number of breeding animals, including hyperprolific immigrants, and origins per generation in the selected line. Generation Breeding animals Parents of breed...

Ngày tải lên: 09/08/2014, 18:21

... Fortieth Annual Meeting of the Association for Computational Linguistics (ACL), Philadelphia, PA. Dan Moldovan, Marius Pasca, Sanda Harabagiu, and Mihai Surdeanu. 2002. Performance Issues and Er- ror ... (SALT IX), Ithaca, NY. Sanda Harabagiu, Dan Moldovan, Marius Pasca, Rada Mihalcea, Mihai Surdeanu, Razvan Bunsecu, Rox- ana Girju, Vasile Rus, and Paul Morarescu. 2001. The Role of Lexico-S...

Ngày tải lên: 08/03/2014, 02:21

... 'uniform' architecture for natural language parsing and generation. Keywords: generation algorithm; natural lan- guage generation; theorem proving; bidirection- ality; categorial grammar. ... tation at Coling 1988. generator using a categorial grammar needs lex- ical information about the syntactic form of a functor that is connected to some semantic func- tot in or...

Ngày tải lên: 24/03/2014, 02:20

... A Quality Assurance Working Party was formed by radiation oncologists and clinical physicists from both academic as well as non-academic hospitals that had already implemented stereotactic radiotherapy ... techniques, with in general a 7–13 beam angles in case static beams are used. Dynamic conformal arcs can be used, although generally thoracic wall doses are larger than with multipl...

Ngày tải lên: 09/08/2014, 09:22

... to measure change in the clinical practices of health professionals following an intervention aimed at increasing the uptake of evidence into practice. All published trials included in a recent, ... outcome measure was an assessment of both a surrogate measure of patient change and an actual measure of practitioner behaviour change. In the remaining 14 studies, the measure was purel...

Ngày tải lên: 11/08/2014, 05:22

... 8). Information on adverse events and con- comitant medication was collected at each visit. Nicotine withdrawal and craving were assessed with a daily diary which contained the Minnesota Nicotine ... equations (GEE). Since the target quit-date was the 15 th day following the start of medica tion, separate analyses w ere performed using data from days 1-14 and 15-28. In all cases, the expl...

Ngày tải lên: 11/08/2014, 07:21