Most babies born to mothers who used cocaine regularly during pregnancy: select one: a. are born drug addicted. b. are extremely placid and calm. c. have abnormally low pitched and dull cries. d. survive only a few days

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.