KEY TERMS

Activator (Ac) element

Alu

autonomous element

class 1 element (retrotransposon)

class 2 element (DNA transposon)

cointegrate

composite transposon

conservative transposition

copia-like element

"copy and paste"

CRISPR loci

crRNA

"cut and paste"

C-value

C-value paradox

Dissociation (Ds) element

DNA transposon

excise

gene therapy

genome surveillance

hybrid dysgenesis

insertion sequence (IS) element

inverted repeat (IR) sequence

long interspersed element (LINE)

long terminal repeat (LTR)

LTR-retrotransposon

M cytotype

miniature inverted repeat transposable element (MITE)

negative selection

nonautonomous element

P cytotype

P element

pi-cluster

piRNAs

provirus

replicative transposition

retrotransposon

retrovirus

reverse transcriptase

R plasmid

safe haven

short interspersed element (SINE)

simple transposon

solo LTR

synteny

targeting

target-site duplication

transposase

transpose

transposition

transposon (Tn)

transposon tagging

Ty element

unstable phenotype