6-Cytogenetics Flashcards
1
Q
What is meant by the term ploidy?
A
Wrong number of complete chr sets- rarely compatible with life
2
Q
What is meant by the term aneuploidy?
A
Specific additional or missing chromosomes
3
Q
What happens at prophase?
A
Nuclear membrane dissolves and chromosomes are visible
4
Q
What happens at metaphase?
A
Chromosomes/chromatids line up in the middle of the cell
5
Q
What happens at anaphase?
A
Chromosomes/chromatids separate and move to the end of cell
6
Q
What happens at telophase?
A
Chromosomes/chromatids at opposite ends in preparation for cell division
7
Q
What type of abnormalities are present on G banded karyotypes?
A
Deletions
Duplications
Inversions
Rings Translocations
