The analyses of genetic correlations on phenotypic response on a set of quantitative traits on change the amount of food in a natural daphnia population

The presence of genetic correlations on phenotypic response of daphnia to changing amount of food between the quantitative morphological traits in accordingly to their functional specialization was shown. Among physiological traits the negative genetic relation only between fecundity and survival were remarked. A study nature daphnia population had three groups of clones, which genetically distinguish on individual phenotypic response. It was obtain that the clones with genetic determine diminish of body size under low the amount of food were characterized by the influence of fecundity and maturity duration but by diminish of survival. The clones which had the influence of body size under such conditions, fecundity and maturity duration were decreased but survival was increased. The group of clones with absence of expression plasticity on creating in experiment condition on whole set quantitative traits was extract.