New chat Today Sexual Biology and Identity New chat Youth Heart Attack Trend Focused Studying Strategies What is sex Sex is a biological term that refers to the categorization of individuals based on their reproductive organs and functions. In most organisms, including humans, there are typically two primary sexes: male and female. These categories are determined by the presence of specific sex chromosomes (such as XX for females and XY for males in humans) and the development of reproductive organs, secondary sexual characteristics, and hormones associated with each sex. In humans, sex is determined at the time of conception, when an individual receives a combination of sex chromosomes from their parents. However, it's important to note that sex is not always strictly binary. Some individuals may be born with intersex traits, which refer to a range of conditions where there are variations in sexual development, reproductive organs, or chromosomal patterns that do not fit typical ...