As early as the 1930´s Great Depression, redlining racist practices had federal housing lending programs limiting loans for African American neighborhoods.
Explanation:
Minority groups had higher interest rates than those offered to white people, and sometimes possible foreclosures forced them to take more loans with even higher interest rates, reinforcing the cycle of debt and poverty.
This discrimination in access to buy land lasted until the 1970s and is still present in the prevailing real estate market.
I don't know if you need this for a class, but I looked it up.
"Have humans been cloned?
Despite several highly publicized claims, human cloning still appears to be fiction. There currently is no solid scientific evidence that anyone has cloned human embryos." - genome (dot) gov