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The interesting question is: in what circumstances will this distribution be the same as that in the generation before? It is easy to see that the condition for this is q 2 = pr. And since q 1 2 = p 1 r 1, whatever the values of p, q, and r may be, the distribution will in any case continue unchanged after the second generation
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.
Within the field of developmental biology, one goal is to understand how a particular cell develops into a final cell type, known as fate determination. Within an embryo, several processes play out at the cellular and tissue level to create an organism.
Tests of sufficiency in biology are used to determine if the presence of an element permits the biological phenomenon to occur. In other words, if sufficient conditions are met, the targeted event is able to take place. However, this does not mean that the absence of a sufficient biological element inhibits the biological event from occurring.
Environmental conditions and abiotic stresses are one of the many reasons of parallel speciation in plant species. It is hypothesized that the plant species Oryza nivara is originated from Oryza rufipogon because of the ecological shift from prolonged damp to a seasonally dry habitat during the recent glaciations.
For example, in the context of a medical claim, let S C be the event that a sequela (chronic disease) S occurs as a consequence of circumstance (acute condition) C. Let H be the event that an individual seeks medical help. Suppose that in most cases, C does not cause S (so that P(S C) is low).
In logic and mathematics, necessity and sufficiency are terms used to describe a conditional or implicational relationship between two statements.For example, in the conditional statement: "If P then Q", Q is necessary for P, because the truth of Q is guaranteed by the truth of P.
Biological processes are regulated by many means; examples include the control of gene expression, protein modification or interaction with a protein or substrate molecule. Homeostasis: regulation of the internal environment to maintain a constant state; for example, sweating to reduce temperature