Simplify the following text for a Grade 10 native English-speaking person.
Original: Even though workers often do not reproduce , they are potentially passing on more of their genes by caring for sisters than they would by having their own offspring ( each of which would only have 50 % of their genes ) .
Simplified: Even though workers often do not reproduce , they are potentially passing on more of their genes by caring for sisters than they would by having their own offspring .