Related Words

Artificial Selection: The process in which breeders choose the variants to be used to produce succeeding generations.

Security Selection Decision: Choosing the particular stocks or bonds or other investment instruments to include in a portfolio.

Selection: A change in allele frequency over time in a population

P1-Derived Artificial Chromosome (PAC): One type of vector used to clone dna fragments (100- to 300-kb insert size: average, 150 kb) in escherichia coli cells. Based on bacteriophage (a virus) p1 genome.

Human Artificial Chromosome (HAC): A vector used to hold large dna fragments.

Natural Selection: The process of differential survival and reproduction of fitter genotypes; can be stabilizing, directional, or disruptive. Better adapted individuals are more likely to survive to reproducti . . . View Full Definition

Selection Pressure: A measure of the effectiveness of natural selection in altering the genetic composition of a population. See also natural selection.

Selection Process: Any step, combination of steps or procedure used as a basis for any employment decision, including, but not limited to, informal or casual interviews, unscored application forms, paper and p . . . View Full Definition

Uniform Guidelines On Employee Selection Procedures Of 1978: The Uniform Guidelines on Employee Selection Procedures address the use of interviewing, testing, training and other employee selection tools and their impact on discrimination based on race . . . View Full Definition

Yeast Artificial Chromosome (YAC): A vector used to clone dna fragments (up to 400 kb): it is constructed from the telomeric, centromeric, and replication origin sequences needed for replication in yeast cells. Compare clonin . . . View Full Definition