👉 In biology, a karyotype is a type of genetic material that describes how many chromosomes are present in a cell. This information is essential for understanding and treating genetic diseases such as cancer. The karyotype of a cell refers to the number of chromosomes it contains. For example, if a cell has two pairs of chromosomes (2n), then its karyotype would be represented by an 'A' in the DNA sequence. A karyotype can also include other characteristics, such as