Based on this selection, Y chromosomes and mitochondrial DNA are both
A identical in their mutation patterns.
B unusual mutations that rarely occur.
C exactly the same throughout the world.
D useful tools for analyzing ancestry.
Based on this selection, Y chromosomes and mitochondrial DNA are both useful tools for analyzing ancestry
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The correct answer is D: useful tools for analyzing ancestry.
Explanation: Y chromosomes are passed from father to son and can provide information about paternal lineage, while mitochondrial DNA (mtDNA) is inherited from the mother and can shed light on maternal ancestry. Both genetic markers are valuable in tracing and understanding human ancestry and evolutionary relationships.