Advanced Punnett Square Lab

🧬 Punnett Square

Choose a Trait

📋 Step Guide

Step 1 — The Parents

Select a cross or choose a trait, then click ▶ Start Steps.

💡 Key Concept

Dominant alleles (uppercase) mask recessive alleles (lowercase). Two recessive alleles must be inherited to show the recessive trait.

🧠 Knowledge Check

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🧬 Advanced Punnett Square Lab