| TERMS | DEFINITIONS |
| Cell cycle | The highly dispersed state of chromosomes is called chromatin. |
| Mitosis | The highly folded form during division of cell is called |
| Nucleosothe | Four types of Histone protein form a core particle called nucleosome. |
| Heterochromatic | Heterochromatic region are inactive portions of |
| Euchromatic | The active portions of chromosomes are called
euchromatic regions. |
| Sex chromosomes | Chromosomes that are represented differently in females and males and function in sex determination are called sex chromosomes. |
| Linkage | The genes present on the same chromosomes are called linked gene and this phenomenon is called linkage. |
| Point mutation | The change of sequence of nucleotides is called point mutation. |
| Aneuploidy | The random abnormal number of chromosomes in the animals is called as aneuploidy. |
| Polyploidy | A condition in which the organisms have more than two complete sets of chromosomes is called polyploidy. |
saadia