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.
According to the seating capacity camp nou is the biggest stadium around Europe, while Wembley in London comes in close 2nd with 90K seating capacity. Four stadium in United Kingdom makes the list of top 20 while 2 from Spain and 4 from Germany makes the list of Top 20 largest football stadium around Europe.