15 points two puppies are born in the same litter. one has blue eyes and the other has brown eyes. develop a hypothesis as to why the puppies have different eye color. justify your hypothesis in two or more complete sentences

Prior to the development of dna fingerprinting, blood type could be used to determine possible parentage. although it might prove someone was not a parent, it could not show if someone was positively the parent, only that he or she might be a parent. which of the following is a true statement that can be made about parentage based on blood typing?

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.

Ascientific idea becomes valid when it is what?