Unit 7 Flashcards
Causes of nucleotide mismatch
replication error, damage to DNA, mismatch repair(MMR)
Change in DNA nucleotide sequence.
Mutation
Mutations accumulate faster in organisms with ______ generation times.
shorter
cells that do not pass on to offspring
Somatic cells
cells that will pass on to offspring
Germline cells
____ mutation happens in coding region, alters polypeptides.
Harmful
________ mutation causes changes to structure of a chromosome
large-scale
number of copies of a gene that you have.
gene dosage
In large-scale mutation, _______ is when a section of a chromosome gets removed.
deletion
In large-scale mutation, _______ repeats a segment of a chromosome.
duplication
In large-scale mutation, _______ reverses a segment within a chromosome
inversion
In large-scale mutation, _______ moves a segment from one chromosome to a nonhomologous chromosome.
translocation
________ mutations are changes to a small number of nucleotides.
small-scale
small-scale mutation type that adds nucleotide
insertion
small-scale mutation type that removes nucleotide.
deletion