ADJ. dominant, recessive | abnormal, defective, mutant | human
VERB + GENE carry, have people who carry the gene that causes this disease | pass on The gene is passed on to their children.
GENE + VERB be responsible for sth, cause sth, control sth, influence sth Genes control the development of an embryo. | mutate
GENE + NOUN pool Scientists have estimated that a gene pool of at least 300 animals is necessary to maintain a healthy tiger population. | defect, mutation Gene mutations are alterations in the DNA code. | sequence | therapy
PREP. ~ for An individual may pass on to future generations its genes for tallness.