How does a knicks star like jeremy lin get to be much taller than his parents? Is it late puberty? Do you gain extra inches each year puberty is late?

Nutrition. The first american-born generation of asian parents frequently are several inches taller than their parents/grandparents, possibly due to the higher caloric diet/"better" nutrition in america.
Nutrtion & delayed P. Nutrtion and exercise facilitate growth. However delayed puberty is a reason for many indiidvuals becoming taller. People with early onset-pubeerty are known scientifcally to be shorter on average!