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.
EstÃ¡dio do MaracanÃ£ in Rio de Janeiro was once the largest capacity stadium in the world. It was built for the FIFA World Cup in 1950, and hosted the competitionâs final that year in front of nearly 200,000 spectators â even though it wasnât completed in full until 1965.