organisms that possess heritable traits that enable them to better adapt to their environment compared with other members of their species will be more likely to survive, reproduce, and pass more of their genes on to the next generation.
People who had this mutation back in the 14th century had better chance of survival (better fitness) then people who did not have this mutation. They were majority of people who survived the Black Death because of natural selection. Their offspring inherited this mutation too, and their offspring after.
There was no natural selection for this mutation in some other parts of the world because they were not hit by the Black Death.
Since the same mutation is responsible for immunity to HIV and the Black Death, offspring of the people who have survived the Black Death are immune to HIV too. Part of the world that was hit by the Black Death, now have more people with this mutation.
Answer: California
Explanation:
The first 1 MWp solar park was built by Arco Solar at Lugo near Hesperia, California at the end of 1982, followed in 1984 by a 5.2 MWp installation in Carrizo Plain.
Answer:
it keeps doubling I bet 1000000 dollars that the next number will be 64
Explanation: