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Question
Choose the correct answers from the alternatives given.
Sickle-cell anaemia first appeared in Asia, the Middle East, and Africa. The causative allele entered the population of the United States when people were forcibly brought over from Africa prior to the Civil War. In microevolutionary terms, this is a case of
Choose the correct answers from the alternatives given.
Sickle-cell anaemia first appeared in Asia, the Middle East, and Africa. The causative allele entered the population of the United States when people were forcibly brought over from Africa prior to the Civil War. In microevolutionary terms, this is a case of
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Solution
The correct option is C gene flow
Sickle cell anaemia is a condition in which red blood cell can't carry adequate oxygen throughout the body. In the United States, the number of sickle cell anaemia person is quite large. This is due to migration of people from Asia, Africa region. Gene flow (also called gene migration) is the movement of an individual or the genetic material they carry from one population to another.Hence, the correct answer is 'gene flow'
Sickle cell anaemia is a condition in which red blood cell can't carry adequate oxygen throughout the body. In the United States, the number of sickle cell anaemia person is quite large. This is due to migration of people from Asia, Africa region. Gene flow (also called gene migration) is the movement of an individual or the genetic material they carry from one population to another.
Hence, the correct answer is 'gene flow'
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