Adam Was Certain That He Had Native American Ancestors,based on Tales

question 5

Multiple Choice

Adam was certain that he had Native American ancestors,based on tales that his grandfather told of the family history.He is disappointed when he takes a genetic ancestry test by sending a saliva sample to a testing company,because it does not confirm what he believed to be true.Adam may actually indeed have Native American ancestors because

• A) DNA ancestry tests must be performed on blood to be accurate.
• B) DNA ancestry tests only work on females, because only they have mtDNA.
• C) the DNA sequences identified in ancestry tests do not reflect input from all lineages.
• D) the testing labs do not test for Native American Y chromosome sequences.
• E) there are no DNA sequences that are unique to Native Americans.

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Definitions:

Ionic Compound

A chemical compound composed of ions held together by ionic bonds, typically formed between metal and non-metal elements.

Calcium Chloride

A chemical compound used in various applications, including as a de-icing agent, in food preservation, and in laboratory settings to provide a source of calcium ions.

Extra Electrons

Additional electrons that surpass the baseline number expected in an atom or molecule, often leading to negative charge and chemical reactivity.

Outermost Shell

Refers to the outermost layer of electrons surrounding an atomic nucleus.