Mutations Flashcards
Single nucleotide polymorphism
Anonymous SNP - no known affect
Non coding SNP - outside gene
Coding SNP - inside gene
Transversion
Pyrimidine to purine vice versa
Missense
Substitution
Silent mutation
No effect
Frame shift
All successive bases change
Change polypeptide length
Nonsense
Substitution into stop code
Shorter
Pericentric inversion
Over p and q arms
Paracentric inversion
Within arm
Polyploidy
Gain another haploid set of chromosomes
69 chromosome
Polyspermy
Aneuploidy
Different number of chromosomes
Non disjunction in meiosis 1
Trisomy or monomy
Down syndrome
Turner syndrome
Mosaicism
Presence of 2 or mor cell lines
Non disjunction in mitosis after the first zygotic division
FISH
Flourescent in situ hybridisation