Báo cáo sinh học: "Latitudinal clines of allelic frequencies

Báo cáo sinh học: "Latitudinal clines of allelic frequencies in Mediterranean populations of Ceratitis capitata (Wiedemann)" pps

... apricots collected in May 1986 in the area of Original article Latitudinal clines of allelic frequencies in Mediterranean populations of Ceratitis capitata (Wiedemann) A Kourti P ... natural populations from distantly located areas were examined. MATERIALS AND METHODS Origin of populations Six populations of C capitata from the Medit...

Ngày tải lên : 09/08/2014, 18:21

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Báo cáo sinh học : " Is genetic diversity really higher in large populations" ppsx

... textbooks that levels of genetic diversity are determined by the rate of mutation (the number of new mutations per nucleotide site and generation) and the number of reproducing individuals in the population. ... the difficulties in properly estimating N e by proxys such as body size or longevity. At present, it would be premature to state that the role of selection in shaping...

Ngày tải lên : 06/08/2014, 19:20

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Báo cáo khoa học: "Intra- and interpopulational genetic variation in juvenile populations of Quercus robur L and Quercus petraea Lieb" pot

... robur in Germany. In: Ge- netic Variation of Forest Tree Populations in Europe (Müller-Starck G, Ziehe M, eds) Sauerländer-Verlag, Frankfurt-am-Main, 125- 140 Original article Intra- ... for creating genetic variation in the next generation and is therefore an important determinant of the adaptability of forest tree populations. In most cases,...

Ngày tải lên : 08/08/2014, 19:21

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báo cáo khoa học: "Enzymatic heterozygosity and morphological variance in synthetic populations of Drosophila melanogaster Gloria BLANCO LIZANA" potx

... & L IVSHITS (1983), in human populations, and L EDING et al. (1983), in pitch pine, are inclined to attribute the correlation to inbreeding. L EARY et al. (1984) ... Flies were homogenized in 0.01 ml of gel starch buffer, using the method of J OHNSON (1964). References of buffer and stain systems utilized are indicated in table 1...

Ngày tải lên : 09/08/2014, 22:22

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báo cáo sinh học:" Final call for papers: "Towards a scaling-up of training and education for health workers" potx

... lack of relevance of their training to community health care practice. Additional contributing factors include: inadequate compensation and working conditions, the deteriorating health of the workforce ... status of existing efforts to train health workers using innovative methods, including distance learning and various forms of information technology? How will training by protoc...