BIOLOGY
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Science Bowl Question

📅 NSB Regional 2007🎓 HS🔄 Round 14#️⃣ Question 3❓ TOSS-UP📝 Multiple Choice

Which of the following occurs during synapsis of meiosis:

W) non-sister chromatids of homologous chromosomes cross over
X) sister chromatids of homologous chromosomes cross over
Y) non-sister chromatids of non-homologous chromosomes cross over
Z) sister chromatids of non-homologous chromosomes cross over
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