NOTHING GOOD IS on TV between 1 a.m. and 6 a.m., and for good reason. Nobody's trying. It's the time period known euphemistically in the media business as the Post Late Fringe, and less euphemistically as the Graveyard Slot.. It's when networks and local TV affiliates sign off. They give up.
Definition of karyotype. the appearance of the chromosomal makeup of a somatic cell in an individual or species (including the number and arrangement and size and structure of the chromosomes).
In order for chromosomes to be seen this way, they need to be stained. Once stained, the chromosomes look like strings with light and dark bands, and their picture can be taken. A picture, or chromosome map, of all 46 chromosomes is called a karyotype. The karyotype can help identify abnormalities in the structure or the number of chromosomes. To help identify chromosomes, the pairs have been numbered from 1 to 22, with the 23rd pair labeled X and Y..