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.
The second largest stadium in Europe, it was designed by HOK Sport and Foster and Partners. It includes a partially retractable roof and a 134-metre-high arch. The stadium has a circumference of 1 km and encloses 4,000,000 mÂ³ inside its walls and under its roof.