BIOLOGY
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Science Bowl Question

📅 NSB 2013🎓 HS🔄 Round 9#️⃣ Q23❓ TOSS-UP📝 Multiple Choice

A child who excretes black urine is born to two normal parents. The child has a recessive homozygous genotype. What is the most likely explanation for the genotype?

W) Spontaneous mutations
X) Consanguinity [kon-sang-GWIN-i-tee]
Y) Anticipation
Z) Environmental exposure
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