Which part of the body is primarily affected by the storage of fat in females?

The body part primarily affected by the storage of fat in females is the hips, butt, and calves. This pattern of fat distribution is often referred to as "gynoid" fat distribution, which is characteristic of a female body type. Hormonal differences, particularly the influence of estrogen, play a significant role in determining where women tend to store fat. This fat distribution supports reproductive functions and is associated with the female form, which is evolutionarily advantageous for childbirth and nurturing.

In contrast, areas such as the shoulders, neck, and chest typically exhibit less fat storage in females, especially compared to the hips, butt, and calves, where the accumulation of fat is more prominent. This is why option B accurately captures the anatomical areas most affected by the storage of fat in females.