Before inserting a gastric or enteric tube, the nurse determines the length of tubing that will be needed to reach the stomach or small intestine. the levin tube, a commonly used nasogastric tube, has circular markings at specific points. this tube should be inserted to 6 to 10 cm beyond what length?

Neeed now for 1. eye color is a polygenic trait. what is the possibility of getting a green (aabb) eyed child, if parent 1 has brown eyes (aabb) parent 2 has blue eyes (aabb) 2.albinism is a recessive trait. having normal pigment is the dominant trait. what is the possibility of having an albino child if parent 1 is heterozygous normal parent 2 is heterozygous normal 3.in rabbits black fur is dominant over white fur. what is the probability of getting a rabbit with black fur if parent 1 is heterozygous black parent 2 is homozygous white