One who has recessive trait but does not show symptoms of that disorder

When does dna replication(make a copy of itself)?

Chicken pox and hepatitis are bacterial diseases. true or false?

Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature about 37 degrees celsius (98.6 degrees f)? describe what might happened the temperature decreased by 10 degrees celsius.