<p>''In an article published on Wednesday, The Times reported on Michelle Obamas ancestry, tracing her maternal line back to her great-great-great-grandparents, a slave girl and a white man, and their son, Dolphus T. Shields, who was born in the 1850s.</p>
<p>While these findings tell of Michelle Obamas roots, for many Americans her familys story will also bring into focus a common narrative, which runs through the history of this nation. We asked some historians and writers, why has it taken so long for Americans to appreciate these deep multiethnic connections…</p>
<p>[wrote Henry Louis Gates]</p>
<p>As we have shown in the African American Lives series on PBS, fully 58 percent of African Americans have at least 12.5 percent European ancestry. Only 5 percent, in spite of widespread myths to the contrary, have as much Native American ancestry. And between 30 and 35 percent of all African American males can trace their paternal lineage (their y-DNA) to a white man who impregnated a black female most probably during slavery.</p>
<p>The illegality of miscegenation, the prevalence of sexual abuse and rape, guilt, shame, and disgrace kept these relationships hidden.</p>
<p>What this means is that, in defiance of the law and social convention, an enormous amount of race-mixing has long been occurring in the United States, about which we, as a society, have for just as long been in deep denial. I have never given an admixture DNA test of a black person who turned out to be 100 percent African, no matter how dark or African they appear to be…"</p>
<p>Others who commented were:</p>
<p>Annette Gordon-Reed, historian and author, The Hemingses of Monticello
John McWhorter, author, Our Magnificent ■■■■■■■ Tongue
Martha Hodes, professor of history, New York University
Mark D. Shriver, professor of anthropology and biology
Mary Frances Berry, professor of social thought, University of Pennsylvania
Ira Berlin, professor of history, University of Maryland
Ishmael Reed, author
[One</a> Family’s Roots, a Nation’s History - Room for Debate Blog - NYTimes.com](<a href=“One Family's Roots, a Nation's History - The New York Times”>One Family's Roots, a Nation's History - The New York Times)</p>