Final answer:
The idea that skeletal patterns differentiate races is scientifically invalid as modern biological anthropology shows continuous variation in human traits, making discrete racial categories based on skeletal structure incorrect.
Step-by-step explanation:
The question regarding skeletal patterns that differentiate race is based on a misconception, as modern biological anthropology suggests no such distinct skeletal patterns categorize humans into discrete racial groups. It is crucial to note that while humans have various traits, these traits do not conform to clear-cut racial categories, and attempting to define race by physical characteristics, such as skeletal structure, has been debunked as scientifically invalid. If we consider the classification of bones by shape, we acknowledge that there are six types of bones in the human body: long, short, flat, irregular, sesamoid, and sutural, but these are not valid markers for race. The concept of race based on skeletal features or other physical traits is a social construct that does not align with the genetic and anthropological evidence, which shows a continuum of variation rather than distinct categories.