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se·lec·tion

(sĕ-lek'shŭn),
The combined effect of the causes and consequences of genetic factors that determine the average number of progeny of a species that attain sexual maturity; phenotypes that are lethal early in life (for example, Tay-Sachs disease), that cause sterility (for example, Turner syndrome), or that produce sterile progeny are selected against. When selection is used of individual pedigrees, other factors, notably variance of the number of progeny and number that survive to maturity, are important considerations; in large populations, these factors even out and the mean only is of importance.
[L. se-ligo, to separate, select, fr. se, apart, + lego, to pick out]

selection

(sĭ-lĕk′shən)
n.
Biology A natural or artificial process that involves the survival and reproduction of some kinds of organisms instead of others (because they have traits that are better adapted to the environment or that are preferred by a breeder, for example) and results in changes in the traits of a population or species.

se·lec′tion·al (-shə-nəl) adj.

selection

Vox populi The chosing among a number of different options. See Adverse selection, Artificial selection, Group selection, Kin selection, Negative selection, Patient selection, Sex selection.

se·lec·tion

(sĕ-lek'shŭn)
The combined effect of the causes and consequences of genetic factors that determine the average number of progeny of a species that attain sexual maturity.
[L. se-ligo, to separate, select, fr. se, apart, + lego, to pick out]

selection

the differential rate of reproduction of one phenotype in a population as compared to other phenotypes. Hence an organism that produces more offspring which survive to reproduce than another type is at a ‘selective advantage’. The environmental pressures causing selection can be either natural (e.g. competition for food) or artificial (e.g. insecticides, see DDT). See DIRECTIONAL SELECTION, NATURAL SELECTION, STABILIZING SELECTION.

se·lec·tion

(sĕ-lek'shŭn)
The combined effect of the causes and consequences of genetic factors that determine the average number of progeny of a species that attain sexual maturity.
[L. se-ligo, to separate, select, fr. se, apart, + lego, to pick out]

Patient discussion about selection

Q. clonex symptoms in Selective Mutism Syndrome children My son is 6.5 years old, with selective mutism syndrome - in a months time he shall be entering first grade. We have, the past 2 years been with therapists specializing in this field. He has improved outside a closed system i.e. within the kindergarten (primarily) we even see some regression. We have been at major dilemmas with giving him medication but due to the critical time - we were recommended to take 0.125 mg of Clonex medication. we are a little worried and would like to understand the possible symptoms

A. As a benzodiazepin, it can cause drowsiness, weakness and other changes in behavior. There may be some other side-effects, that you can read about here (http://www.nlm.nih.gov/medlineplus/druginfo/medmaster/a682279.html)

More discussions about selection
References in periodicals archive ?
Scharfstein joined Selective in 2009 as a data quality analyst.
Florida has done a great job of making selective colleges available to the Latino community.
Selective said its system helps reach all current owners of insured vehicles with open recalls, bridging the gap from manufacturers who frequently do not have accurate contact information after a vehicle is sold privately.
Spouses of women who attend more selective schools are 8 percentage points more likely to have an advanced degree, but their earnings and labor market participation rates are comparable to the spouses of women who attend less selective colleges.
The researchers found in the base-case scenario that routine lymphadenectomy had a cost of $18,041 and an effectiveness of 2.79 quality-adjusted life-years (QALYs) versus $17,036 and 2.81 QALYs with selective lymphadenectomy and $16,401 and 2.87 QALYS with sentinel lymph node mapping.
They will be encouraged to follow the example of selective schools in Birmingham, which reserve some places for children eligible for the pupil premium.
They find it really interesting and they choose to stay as long as they can," said Tony Libri, who serves as the state director for the Illinois Selective Service System.
The selective goods will be used for personal or official purposes.
scientists have presented data from preclinical studies involving H3B-6545, an oral, selective small molecule covalent antagonist of wild-type and mutant estrogen receptor (ER) in a poster session at the San Antonio Breast Cancer Symposium (SABCS) annual meeting, the company said.
Synopsis: Often baffling to parents, teachers, and some therapists, the social anxiety disorder known as selective mutism prevents children from moving toward normal social communication, critical in the school-age years.
'As what as I have always said, sinasabi nila na selective justice daw kami, hindi naman selective, kasi again as I was saying, nung pumasok yung majority of cases at that present time was the opposition during the past administration,' she said.
Keywords: Silver(I) selective electrode, Flow injection potentiometry, Photographic film developing solution, Potentiometric analysis.