Chromosomal abnormalities Flashcards
1
Q
Translocations
A
chromosomal segment transferred from one nonhomologous chromosome to another
2
Q
Reciprocal translocation
A
exchange of material between nonhomologous chromosomes
3
Q
Robertsonian translocation
A
whole-arm translocations
4
Q
Inversions
A
= disrupting DNA strand in chromosome at two break points, does 180deg turn +
rejoining back again
5
Q
Insertions, deletions and rings
A
gain of chromosome segment, loss of chromosome segment, one break occurs in each arm of one chromosome