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Two useful introductions to the fundamental theory underlying the unit of selection issue and debate, which also present examples of multi-level selection from the entire range of the biological hierarchy (typically with entities at level N-1 competing for increased representation, i.e., higher frequency, at the immediately higher level N, e.g., organisms in populations or cell lineages in ...
The theorem was first formulated in Fisher's 1930 book The Genetical Theory of Natural Selection. [4] Fisher likened it to the law of entropy in physics, stating that "It is not a little instructive that so similar a law should hold the supreme position among the biological sciences".
The target audience is the intended audience or readership of a publication, advertisement, or other message catered specifically to the previously intended audience.In marketing and advertising, the target audience is a particular group of consumer within the predetermined target market, identified as the targets or recipients for a particular advertisement or message.
The pygmy mammoth is an example of insular dwarfism, a case of Foster's rule, its unusually small body size an adaptation to the limited resources of its island home.. A biological rule or biological law is a generalized law, principle, or rule of thumb formulated to describe patterns observed in living organisms.
In marketing, segmenting, targeting and positioning (STP) is a framework that implements market segmentation. [1] Market segmentation is a process, in which groups of buyers within a market are divided and profiled according to a range of variables, which determine the market characteristics and tendencies. [2]
The term "biological target" is frequently used in pharmaceutical research to describe the native protein in the body whose activity is modified by a drug resulting in a specific effect, which may be a desirable therapeutic effect or an unwanted adverse effect. In this context, the biological target is often referred to as a drug target.
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An example of point mutations at an amino acid site coding for lysine. The missense mutations may be classed as point accepted mutations if the mutated protein is not rejected by natural selection. A point accepted mutation — also known as a PAM — is the replacement of a single amino acid in the primary structure of a protein with another ...