Question 5. In humans, there are 3 alleles for blood type: A, B, O. A and B are co-dominant over O. A male with O type blood mates with a female with AB type blood.
The largest stadium in Spain is the Santiago Bernabaue in Madrid, it is Real Madrids stadium.
With a capacity of 75,635, it is the third-largest stadium and the second-largest football stadium in the United Kingdom, and the eleventh-largest in Europe. It is about 0.5 miles (800 m) from Old Trafford Cricket Ground and the adjacent tram station.