Scientists Discovered That Otzi,the 5,200-Year-Old Frozen Copper Age Man Found

question 32

Multiple Choice

Scientists discovered that Otzi,the 5,200-year-old frozen Copper Age man found in the Alps in 1991,had a variable DNA sequence called K.What caused the variations in this DNA sequence?

• A) mutations
• B) diet
• C) injuries he sustained
• D) his frozen condition

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