Retinitis _____ is a hereditary disorder that leads to the loss of peripheral vision

Andrea's baby instinctively begins searching for a nipple whenever he is picked up. This behavior is the ______ reflex

a. sucking c. rooting b. comfort contact d. grasping

If an individual carries either two dominant or two recessive genes they are said to be

a. homozygous. b. heterozygous. c. dominant. d. polygenic.