Rare Genetic Deficiency Causes Obesity In One of a Pair of Twins
Are their twins in your family? I’ve heard it said that the possibility of having twins tends to run in families, but there is some debate about if that is fact or fiction. It’s also been said that obesity tends to run in families. A rare genetic condition has caused a teenage twin in the UK to be obese, even though the other twin is not obese. Could both of those genetic factors run in families? There are two types of twins: identical, and fraternal. Identical twins share the exact same DNA with one another. A pair of identical twins … Continue reading