It is a recessive trait, or both parents must have the gene and pass it to their offspring.
(both parents; pass; it; to their offspring) (It; is; a recessive trait) Context(It is,List([0, 5))):(both parents; must have; the gene)
It is,List([0, 5))
both parents It both parents
pass is must have
it to their offspring
a recessive trait
the gene