Explanation:
it keeps the story long and interesting. it makes the reader want to read more
Biology affects behavior also through mechanisms of heredity regulated by genetic principles. The nature versus nurture controversy— that is, how much of our behavior is due to inherited factors and how much to environmental factors—is a question that has plagued scientists for years and is still unresolved.
Answer:
The Census Bureau lets individuals self-identify. Since the 2000 count, people have been permitted to check multiple boxes for race or ethnicity. But history has shown a wide variance in how people of different backgrounds come to be identified as part of ethnic groups.
Notably, the issue of racial identity surfaced recently following the fatal shooting of Florida teenager Trayvon Martin, who was African-American. The boy's shooter, George Zimmerman, initially was identified as white, prompting accusations that he racially profiled Martin. Once it was reported that Zimmerman's mother is Latino and his father is white, he was identified as Hispanic and later as white Hispanic.
The early 20th century's "one-drop rule" stated that a person with a single drop of African blood in their lineage was considered black, and the classification was used for discriminatory purposes.
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