Vocab Check 05.2

Front

Chromosomal mutation

Back

Change in chromosome structure, leading to new gene combinations.

Front

frameshift mutation

Back

mutation involving insertion or deletion of a nucleotide in DNA sequence

Front

Gene regulation

Back

The process of turning genes on and off.

Front

Mutagens

Back

Physical and chemical agents that interact with DNA to cause mutations.

Front

Mutation

Back

A random error in gene replication that leads to a change.

Front

nondisjunction

Back

Error in meiosis: homologous chromosomes fail to separate.

Front

Point mutation

Back

Gene mutation changing a single DNA base pair.

Front

polyploidy

Back

condition with extra sets of chromosomes

Front

Translocation

Back

Moves a segment from one chromosome to another.

Front

Trisomy

Back

3 copies of a chromosome