A young man sends a saliva sample off to a company that offers a Y-chromosome DTC service. The results come back and say that the ethnic origin of the man's Y-chromosome is Russian. What does this information tell him about the ethnic origin of his other chromosomes?
A) All of his chromosomes-autosomes included-have a Russian ethnic origin.
B) All of his chromosomes-save for his Y-chromosome-do not have a Russian ethnic origin.
C) Some of his chromosomes may have a Russian ethnic origin, but independent assortment (or recombination) can complicate this data.
Correct Answer:
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