Traits and Genetic Disorders That Babies Get From Mom

LEFT-HANDEDNESS

Left-handedness is not exceedingly rare, but it’s rare enough to make for some inconveniences for people who do have it. The genes for passing on left-handedness are sort of complicated. While having a father with left-handedness raises the chance of having a left-handed baby by a certain amount, having a mother with left handedness raises that number significantly more.