Like many traits, height is a mix of genetic and environmental factors. Based on things like twin studies, we know that 60-80% of the variation in height is due

Like many traits, height is a mix of genetic and environmental factors. Based on things like twin studies, we know that 60-80% of the variation in height is due to genetic factors [1]. This paper shows that you can predict height from genetic information with an accuracy that is in line with that heritability estimate. It doesn't mean that it will be 100% accurate all the time, since environmental factors (e.g. nutrition) will account the remaining 20-40%. [1] https://www.scientificamerican.com/article/how-much-of-human-height/ https://www.scientificamerican.com/article/how-much-of-human... "The short answer to this question is that about 60 to 80 percent of the difference in height between individuals is determined by genetic factors, whereas 20 to 40 percent can be attributed to environmental effects, mainly nutrition."