Unit 1: Structure Of The Genome & Mutations Flashcards
Deletion of Nucleotides
A single gene mutation involving removal of a nucleotide from a sequence.
Duplication
A chromosome mutation in which a sequence of genes is repeated on a chromosome.
Genome
The complete DNA sequence of an organism.
Insertion
A single gene mutation in which an additional nucleotide is placed into a sequence.
Inversion
A chromosome mutation in which a set of genes rotates through 180*
Mutations
A random change in the DNA sequence of an organism.
Non-coding Sequence
A DNA sequence that does not encode protein.
Polyploidy
The possession of extra sets of chromosomes.
Splice-site Mutation
A mutation at a point where coding and non-coding regions meet in a section of DNA.
Substitution
A single gene mutation in which one nucleotide is replaced by another.
Translocation
A mutation in which part of a chromosome becomes attached to another.
Deletion of Genes
A chromosome mutation in which a sequence of genes is lost from a chromosome.
