Parents with this syndrome have a 50% chance of passing the defective gene to their offspring.
(Parents with this syndrome; have; a 50% chance of passing the defective gene to their offspring) Context(Parents with this syndrome have,List([0, 31))):(Parents with this syndrome; have of passing; the defective gene; to their offspring)
Parents with this syndrome have,List([0, 31))
Parents with this syndrome Parents with this syndrome
have have of passing
a 50% chance of passing the defective gene to their offspring
the defective gene to their offspring