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The probability of a gene or genetic trait being expressed. "Complete" penetrance means the gene or genes for a trait are expressed in all the population who have the genes. "Incomplete" penetrance means the genetic trait is expressed in only part of the population. The percent penetrance also may change with the age range of the population..
Industry:Biology
Two or more amino acids joined by a bond called a "peptide bond."
See also: polypeptide.
Industry:Biology
When the combined effects of alleles at different loci are equal to the sum of their individual effects.
See also: anticipation, complex trait.
Industry:Biology
An enzyme that cleaves nucleotides sequentially from free ends of a linear nucleic acid substrate..
Industry:Biology
A nitrogenous base, one member of the base pair AT (adenine-thymine).
See also: base pair, nucleotide.
Industry:Biology
The study of the interaction of an individual's genetic makeup and response to a drug..
Industry:Biology