Nahiya · Interactive Biology Lab

Genotype to Phenotype: The Cake Bakery

A cake's written recipe is its Genotype — the genetic code of alleles passed down. The delicious cake you see, smell, and taste is its Phenotype — the observable outcome.

Bakery scene
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Genotype

The genetic recipe — pairs of alleles like Bb, FF, or tt. Invisible code, but it determines everything.

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Phenotype

The observable outcome — chocolate flavor, extra-fluffy texture, or blue frosting. What the world actually sees, tastes, and feels.

1
Step 1 · The Dough

Genotype → Texture & Rise

Choose your yeast/leavening genotype. This determines how much your cake rises — its structural phenotype.

💡 Capital letters (F) are dominant alleles for more air and fluff.
2
Step 2 · The Bake

Environmental Pressure → Color & Crust

Your baking genotype sets how heat transforms the surface. The environment interacts with the recipe!

🔥 Heat is an environmental factor — phenotype = genotype × environment.
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Step 3 · Creaming & Flavor

Genotype → Taste

Choose your flavor alleles. These co-dominant genes determine the cake's core taste phenotype.

🍓 C, V, S are co-dominant flavor alleles — each expresses its own color and taste.
4
Step 4 · Decorating

Genotype → Visual Pattern

Your decorative alleles control visible surface patterns — classic dominant/recessive inheritance.

🎀 D (dominant) adds pattern; dd (recessive homozygous) is the plain phenotype.
5
Step 5 · The Tasting Room

The Final Phenotype

Your cake is baked! Observe the full phenotype expressed by your genotype.

🍰 Tasting Card

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👁 Visual Phenotype

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👅 Taste & Mouthfeel

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🧬 Genotype Decoder