If a single egg is fertilized in a test tube and transferred to the uterus of a female all of the following outcomes are possible except
a. fraternal twins
b. single off spring
c. pregnancy
d. identical twins

Which of the following depicts the correct path of oxygen from the air to the lungs? a.nose/mouth, epiglottis, larynx, pharynx trachea b. nose/mouth, trachea pharynx, epiglottis, larynx, c. nose/mouth, pharynx, epiglottis, larynx, trachea d. nose/mouth, larynx, pharynx, trachea, epiglottis