Genetic Diversity - ... In order for mutations to affect an organism's descendants, these mutations must: 1) occur in cells that produce the next generation, and 2) also these changes should affect the hereditary material.
byte: The byte data type is an 8-bit signed two's complement integer. It has a minimum value of -128 and a maximum value of 127 (inclusive). The byte data type can be useful for saving memory in large arrays, where the memory savings actually matters.
For this data type, the range is from 0 to 255. This type is generally called an unsigned byte, as the values it can represent is unsigned as it has no sign. Basically, it is handled as if it were all positive numbers.