Final answer:
The biological aspects such as having chromosome signature of XX or XY is known as sex determination. In mammals, including humans, sex determination is generally determined by the presence of X and Y chromosomes.
Step-by-step explanation:
The biological aspects such as having chromosome signature of XX or XY is known as sex determination.
In mammals, including humans, sex determination is generally determined by the presence of X and Y chromosomes. Individuals who have two X chromosomes (XX) are female, while individuals who have one X and one Y chromosome (XY) are male.