Answer: Lactose intolerance is caused by a deficiency of the intestinal enzyme lactase that splits lactose into two smaller sugars, glucose and galactose, and allows lactose to be absorbed from the intestine.
An easy way to tell is if the trait is or isn’t in every generation. If a trait skips a generation, it’s most likely recessive.
Answer:
oxytocin
Explanation:
The release of oxytocin from the posterior pituitary gland during labor is an example of positive feedback mechanism. Oxytocin stimulates the muscle contractions that push the baby through the birth canal
