What is the significance of meiosis in
gametogenesis?
A.)Meiosis ensures that gametes have twice the
number of chromosomes as parent cells.
B.)Meiosis ensures that gametes have half the
number of chromosomes as parent cells.
C.)Meiosis ensures that chromosome number
remains unchanged throughout the
reproductive process

How does the closing of the ductus arteriosus and ductus venosus alter circulation in an infant? a. increases blood flow to the pulmonary artery and increases blood flow to the umbilical vein b. increases blood flow to the pulmonary artery and reduces blood flow to the umbilical vein c. reduces blood flow to the pulmonary vein and increases blood flow to the umbilical artery d. reduces blood flow to the pulmonary vein and reduces blood flow to the umbilical artery