Please help me! I really don't understand this and I really need to!!

What is the probability that parents with type AB and type O blood will have offspring with type O blood?

25 percent
0 percent
75 percent
50 percent

Question

Please help me! I really don't understand this and I really need to!!

What is the probability that parents with type AB and type O blood will have offspring with type O blood?
 	
	25 percent
	0 percent
	75 percent
	50 percent

paki · Answer

it's 50 %...

anonymous · Answer

Ok so for a question like this you can make a punnet square for blood types. I believe it looks like this:

anonymous · Answer

|dw:1399483081668:dw|
O is recessive A and B are dominant. Therefore, there is a 0% change the child will have O as a blood type. There would need to be a square with oo in it for there to be a chance. The only possible blood types are A and B.