13 For you created my inmost being; you knit me together in my mother's womb. 14 I praise you because I am fearfully and wonderfully made; your works are wonderful, I know that full well. - Psalm 139:13-14
Although 'attached' and 'detached' (or 'free') are the two main types of earlobes, there are many variants in the attachment point. Also, it's not just one gene that determines which type of earlobe you lean more towards having, studies show that at least 49 genes play a role in deciding how your earlobe will look.
Freckles are more common among fair-skinned people, but people with all types of skin tones can get freckles. They form as a result of melanin, which is a natural pigment (color), that forms as a way to protect the skin from the sun's harmful rays. Melanin is usually evenly spread across the body, which is what causes our bodies tan in the sun, but some people have small clumps of melanin that group together to form dark spots, or as we call them, 'freckles'.
Oddly enough, dimples are actually considered a birth defect as they are a "genetically transmitted abnormality of a muscle in the cheek." - Brittany Brolley
Many people think that your belly button is determined how and when the umbilical cord is cut, but rather it's related to the presence of space between the skin and the abdominal wall.
Some people try to use toe lengths as a way to guess your personality, but some believe it can actually determine what your ancestry line is.