This document discusses various chromosomal conditions including euploidy, which is having a normal number of chromosomes, and aneuploidy, which is an abnormal number. It notes that diploidy is the normal condition with two sets of chromosomes, while aneuploidy can involve conditions like monosomy, nullisomy, trisomy, and tetrasomy where the number of certain chromosomes is altered.

1. Euploidy & Aneuploidy
Atika Noor

2. Monoploidy

3. Diploidy
Two sets of genome.

4. Polyploidy
More than two sets of
genome.

5. Allopolyploidy

6. Aneuploidy.
Monosomy.

7. Nullisomy having 2n-2 condition.

8. One chromosome is extra in 21 and 13
chromosomes.
Trisomy 21

9. Tetrasomy having condition 2n+2.