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Define Historic Example of Evolutionary quantitative geneticists?
Evolutionary quantitative geneticists have developed tools to create predictions about the short-range evolution of traits that may be correlated with others. (Lynch and Walsh 1998). One of the most basic of these tools is the so-called "multivariate breeder's equation", ?z = Gβ: the modification in one trait (?z) is equal to the selection gradient acting on it and other traits (β) times the additive genetic variance- covariance (G) matrix (Lande and Arnold 1983) (the multivariate breeder's equation is an extension of the easy univariate breeder's equation that has long been utilized as a guideline by plant and animal breeders seeking to select artificially for economically valuable traits). The G matrix describes the patterns of genetic differences of traits and the genetic covariance among traits. Depending on details of the selection gradient and the G matrix, it is possible that a trait may evolve in the opposite direction from the direction it would develop in were it not correlated with other traits. For instance, Conner and Via (1992) examined body size evolution in flour beetles of the genus Tribolium. Selection operating on one character at a time would favor raised pupal weight but decreased male width. As these characters were positively correlated, though, pupal weight increased slightly and male width substantially increased-contrary to the expectation had just one of these traits been under selection.
Define Nutritional and metabolic factors that contribute to the malnutrition of CHD? Nutritional and metabolic factors that contribute to the malnutrition of CHD infant are ele
explain five kingdoms?
EXCRETOR Y ORGANS In protozoa through plasmalemma by diffusion. Contractile vacuole present for osmoregulation (absent in parasitic and marine protozoa). In porifera and
PROVIDE a specific example for epithelial and connective tissues, how the arrangement of cells helps with tissue functioning?
Scaling Instrumentation of prothesis Although stainless steel is generally the most effective material for removing calculus, it cannot be used with implants, because it scratc
Selective Destruction - Wildlife The selective destruction of one species of an existing fauna can produce equally unfortunate results. The perfect demonstration of unexpected
Effects of long term malnutrition on adults In adults, once the stored carbohydrates and fats are used up, the body starts using proteins to generate energy. These protei
What type of compound is the major metabolic waste of Porifera? Why is it important for the organism to get rid of this compound?
Actinomyces Members of the genus Actinomyces are facultative anerobic, gram-positive, non acid-fast, non-spore forming, nonhaemolytic rods. All Actinomyces require rich media
These are solid, liquid or gaseous substance present in the atmosphere in such concentrations, as may be or tend to be injurious to human beings or other living creatures, plants a
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