Does Height Come from Grandparents?

You get 1/2 of your genes for height from your father, half from your mother. Therefore, you get 1/4 of your height genes from each grandparent. However, the genetics of height are complicated, with many genes contributing, and some are more “dominant” than others.

Can grandparents affect your height?

As a general rule of thumb, your height can be predicted based on how tall your parents are. ... Genes aren't the sole predictor of a person's height. In some instances, a child might be much taller than their parents and other relatives. Or, perhaps, they may be much shorter.

Which parent determines the height of a child?

Fathers appear to determine the height of their child while mothers tend to influence how much body fat they will have, a study suggests.