Physicians Desk Reference Physicians Desk Reference
Browsable database of medical products, manufacturer, therapeutic categories, indication, contra indication, side effects, drug and food interaction.
Medical Product | Medical Manufacturer | Therapheutic | Indication | Contra Indication | Side Effect | Drug Interaction | Food Interaction

duplication

duplication (du-pli-ka´shun)

1. A doubling. See also reduplication. 2. Inclusion of two copies of the same genetic material in a genome; an important step in diversification of genomes, as in the evolution of the (non-allelic) hemoglobin chains from a common ancestor.gene d; [L. duplicatio, a doubling, fr. duplico, to double]
d. of chromosomes a chromosome aberration resulting from unequal crossing over or exchange of segments between two homologous chromosomes; one chromosome of the pair loses a small segment, while the other gains this segment; the chromosome gaining the segment has undergone d. while its homologue has undergone deletion. See hemoglobin Lepore.
gene d. duplication (2)

 

Browse Medical References:

[A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M]
[N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z]