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Genetics Calculator

Crossbreed your clones

Every genome is six slots. Plant several clones together and each slot is decided by a weighted vote — but bad genes vote harder than good ones, which is the whole difficulty of Rust farming.

The five genes

Three you want, two you do not

Click any cell below to cycle it: G → Y → H → W → X → G.

  • G

    Growthweight 0.6

    Grows faster through every stage.

  • Y

    Yieldweight 0.6

    More produce and more clones per harvest.

  • H

    Hardinessweight 0.6

    Takes less damage from bad light, heat and water.

  • W

    Waterweight 1.0

    Drinks more water. Bad — and it out-votes a good gene.

  • X

    Emptyweight 1.0

    A dead slot. Bad — and it out-votes a good gene.

Your plants

Everything you are planting together

One row per clone in the crossbreeding patch. Six slots each.

Plant 1
GGYYGY · 6/6 good
Plant 2
GYYYGG · 6/6 good
Plant 3
GGYWGH · 5/6 good

3 of 10 plants. More parents means more votes per slot, which is how you drown out a bad gene — it takes two good parents to beat a single W or X.

Likely offspring

Which gene wins each slot

Per slot: the heaviest vote wins. A slot below 100% is a tie the game rerolls every crossbreed.

Slot 1
G

G 100%

decided

  • G×31.8
Slot 2
G

G 100%

decided

  • G×21.2
  • Y×10.6
Slot 3
Y

Y 100%

decided

  • Y×31.8
Slot 4
Y

Y 100%

decided

  • Y×21.2
  • W×11.0
Slot 5
G

G 100%

decided

  • G×31.8
Slot 6
G

G 33%

tied: G / Y / H

  • G×10.6
  • Y×10.6
  • H×10.6

Each line is a gene, how many parents carry it in that slot, and the weight those votes add up to. Heaviest total wins.

Most likely genome

What this patch tends to produce

GGYYGG
Genome
GGYYGG
Good genes
6/6
Tied slots
1
rerolled each cross

Slots below 100% are tied votes — the game rolls between the tied genes each crossbreed.

Hitting your dream clone

Odds of the exact genome you want

Set the six slots you are chasing. The chance is the product of the per-slot chances for a single crossbreed.

Target genome
Or type it
Chance per cross
33%
about 1 in 3

One of the six slots is a tie, so expect roughly 1 in 3 crossbreeds to land the whole genome.

slot 1 G 100%slot 2 G 100%slot 3 Y 100%slot 4 Y 100%slot 5 G 100%slot 6 Y 33%

How the model works: Crossbreeding weights bad genes higher than good ones: W and X vote at 1.0 while G, Y and H vote at 0.6. One W therefore beats one G, and it takes two good parents (1.2) to out-vote a single bad one. This is the community-accepted model of observed in-game behaviour, not a decompile — treat the numbers as odds.