Viewers of Downton Abbey have long questioned whether blue-eyed Lord and Lady Grantham could have produced brown-eyed ... We can even do another Punnett square to better visualize how this might ...

A newborn's eye color is usually related to their skin tone. White babies tend to be born with blue or sometimes gray eyes. Black, Hispanic, and Asian babies commonly have brown or black eyes.

Despite this, a Punnett square is still a useful tool for visualising the relationship between the traits of parents and the traits of their offspring. Juliana Adelman lectures in history at ...

Such as those for brown eyes over blue eyes, or so I am led to believe. ... So it's not as if everything about you can be calculated simply with a Punnett square. Advertisement.