Wilson worked with several different insect species and ... cells of females of the same species. In the Type B species, however, the chromosome number was the same in both sexes.

Each chromosome in a pair carries the same types of genes ... In males, one of the chromosomes is a different in shape. There is an X and also a Y chromosome. Males are referred to as XY.

Thousands of chromosomal aberrations have been discovered in different types ... to the loss or gain of entire chromosomes. Cancer cells generally gain multiple types of chromosomal aberrations ...

But where and how does the famous double helix fit into chromosomes ... there are many different types of cells within the body, each with a specific function. For example, the long, narrow ...

How we classify cancer and spot it in its earliest stages could need an urgent rethink: researchers have found that even some ...