Simplify the following text for a Grade 9 native English-speaking person.
Original: In 1908 , unable to explain how a dominant gene would not become fixed and ubiquitous in a population , Punnett introduced his problem to the mathematician G. H. Hardy , with whom he played cricket .
Simplified: In 1908 , unable to explain how a dominant gene would not become fixed and ubiquitous in a population , Punnett introduced one of his problems to the mathematician G. H. Hardy , with whom he played cricket .