4. How does meiosis contribute to genetic variation? by producing daughter cells that are genetically identical to the parent cell
by increasing the lethal mutation rate for daughter cells
© by producing daughter cells that are genetically unique from the parent cell
by forming new DNA sequences that can resist environmental change

This patient undergoes a gallbladder sonogram due to epigastric pain. the report indicates that the visualized portions of the liver are normal. no free fluid noted within morisons pouch. the gallbladder is identified and is empty no evidence of wall thickening or surrounding fluid is seen there is no ductal dilation. the common hepatic duct and common bile duct measure 0.4 and 0.8 cm respectively. the common bile ductmeasurement is at the upper limits of normal what cpt code in icd-10 cm code was used