A new analysis of studies spanning the last century finds that differences in schooling appear to explain a large portion of ...
You can have three babies that are identical (if one egg splits into three embryos), three babies that are fraternal (if three separate eggs are fertilized), or two babies that are identical and one ...
Background: CHARGE syndrome has an estimated prevalence of 1/10 000. Most cases are sporadic which led to hypotheses of a non-genetic aetiology. However, there was also evidence for a genetic cause ...