Which headline would be an example of genetic engineering?

plz put in the true answer

a) mrs. o'hara gives birth to the fourth redhead.
b) mr. brown's pigs: best quality ham for the money.
c) gene added to liver improves clotting time.
d) bacteria make human insulin

Can happen anywhere along the spine if the neural tube does not close all the way. the backbone that protects the spinal cord does not form and close as it should. this often results in damage to the spinal cord and nerves. a) cleft palate b) spina bifida c) encephalocele d) down's syndrome