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HB 1.5 & 1.6
Glossary Flashcards
13
Biology
Not Applicable
08/28/2026

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Cards

Term
Deletion of genes
Definition
chromosome mutation in which a section of a chromosome is removed
Term
Deletion of nucleotides
Definition
single gene mutation involving removal of a nucleotide from a sequence
Term
Duplication
Definition
chromosome mutation where a section of a chromosome is added from its homologous partner
Term
Genome
Definition
the genetic information of an organism encoded into its DNA that can be inherited by its offspring
Term
Insertion
Definition
single gene mutation in which an additional nucleotide is placed into a sequence
Term
Inversion
Definition
chromosome mutation in which a set of genes rotates through 180°
Term
Missense mutations
Definition
mutation that results in in one amino acid being changed for another. This may result in a non-functional protein or have little effect on the protein
Term
Mutations
Definition
random changes to DNA sequences
Term
Non-coding sequence
Definition
DNA sequence that does not encode protein
Term
Nonsense mutations
Definition
mutation resulting in a premature stop codon being produced which results in a shorter protein
Term
Splice-site mutation
Definition
mutation at a point where coding and non-coding regions meet in a section of DNA
Term
Substitution
Definition
single gene mutation in which one nucleotide is replaced by another
Term
Translocation
Definition
mutation in which part of a chromosome becomes attached to another chromosome, not its homologous partner
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