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genetics

TermDefinition
Aneuploidy The gain or loss of one or more chromosomes
euploidy complete set of chromosomes present
polyploidy more than two sets of chromosomes present
Monosomy loss of a single chromosome
Trisomy gain of a single chromosome
paracentric inversion Segment of chromosome breaks and flips itself 180 without the centromere
pericentric inversion Segment of chromosome breaks and flips with the centromere
Robertsonian translocation the long arms of two chromosomes fuse while the short arms are lost
Fragile x syndrome gene FMR1
autotriploid Organism with three sets of chromosomes - from the same species
amphidiploid individual or cell that is a hybrid, has a diploid set of chromosomes from each parent
allotetraploid Organism with four sets of chromosome. two sets originate from one species and two from a different species.
 

 



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