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Perfect Life Selection Lab: Artificial Selection & Pleiotropy

Breed a population of organisms toward your idea of the 'perfect life': choose a selection index between Body Size and Speed, watch a real polygenic trait model respond generation by generation, and see the pleiotropic trade-off and inbreeding cost of optimizing too hard.

Genetics & Evolution2DModerate60 FPS📱 Mobile-adapted

Design and evolve a population of organisms toward an optimized "perfect life" by directing artificial selection between two quantitative traits, Body Size and Speed, each controlled by a real polygenic model of 22 diploid loci. Because the underlying loci are genetically correlated, pushing one trait up drags the other down — an authentic antagonistic-pleiotropy trade-off, not a scripted penalty — and breeding too intensely for a single generation after generation visibly erodes population heterozygosity, raising the inbreeding coefficient and showing the real biological cost of manipulating a genetic code toward a single ideal.

⚙ Under the hood

This simulation allows you to design and evolve a population of organisms with optimized traits for a 'perfect life' scenario. Through artificial selection, explore the dramatic consequences of manipulating genetic codes and environmental pressures.

Perfect LifeArtificial Selection

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install