Professor Torgesen Reports That More Than Eighty Percent of the Variation

Multiple Choice

Professor Torgesen reports that more than eighty percent of the variation in memory capabilities can be explained by heritability. This means that environmental factors

A) can still play a critical role in the shaping of one's memory.
B) will play no role in the shaping of one's memory.
C) will contribute as much as heritability in the shaping of one's memory.
D) will play a minor role in shaping one's memory.