Punnett, born in Kent, showed an early interest in natural history and cricket. He eventually ended up at Cambridge where he became engrossed in the study of zoology and an expert on nemertine worms.

Genetic inheritance - AQA How to construct Punnett squares - Higher. ... Work out the new possible genetic combinations inside the Punnett square. Use this to answer the question.

Complete this Punnett square to show the allele combinations of the possible offspring produced. b. Calculate the probability that an offspring will have the combination DD.