Answer:
1/1000 babies, and 1/150 African American births have this defect.
Explanation:
1 in 1,000
Polydactyly is twice as common among men. It occurs in 1 in 1,000 births in the general population. It's found more frequently in the African American population, occurring in 1 in 150 births.
It is a concussion
it is a type of brain trauma that is really easy to get and stays with you for a long period of time .
speed
