# Xeno MK 04

Pyanodons item · internal name `xeno-mk04` · type `module` · stack size 50 · first craftable in tier 9 (Utility science pack, [tier 9](https://factorio.kalzumeus.com/tier/9.md))
HTML page: https://factorio.kalzumeus.com/item/xeno-mk04/

## Produced by (2 recipes)

### Phase 4 xeno breeding program (`xeno-mk04`)

- 30 s · tier 9
- Ingredients: 2 × [Xeno](https://factorio.kalzumeus.com/item/xeno.md), 1 × [Zinc finger fusion proteins](https://factorio.kalzumeus.com/item/zinc-finger-proteins.md), 1 × [Caged mukmoux](https://factorio.kalzumeus.com/item/caged-mukmoux.md), 4 × [Bedding](https://factorio.kalzumeus.com/item/bedding.md), 10 × [Bones](https://factorio.kalzumeus.com/item/bones.md), 10 × [Fish](https://factorio.kalzumeus.com/item/fish.md), 6 × [Water barrel](https://factorio.kalzumeus.com/item/water-barrel.md)
- Results: 0.003 × [Xeno MK 04](https://factorio.kalzumeus.com/item/xeno-mk04.md) (0.3% chance), 6 × [Empty barrel](https://factorio.kalzumeus.com/item/barrel.md), 0.7 × [Xeno](https://factorio.kalzumeus.com/item/xeno.md) (70% chance), 1 × [Cage](https://factorio.kalzumeus.com/item/cage.md)
- Made in: Reproductive complex MK 01, Reproductive complex MK 02, Reproductive complex MK 03, Reproductive complex MK 04
- Unlocked by: [Xenos - Stage 4](https://factorio.kalzumeus.com/tech/xeno-mk04.md)

### Xeno MK 04 (`xeno-mk04r`)

- 200 s · tier 9
- Ingredients: 4 × [Xeno MK 04](https://factorio.kalzumeus.com/item/xeno-mk04.md), 1 × [Xeno AI system kit](https://factorio.kalzumeus.com/item/xeno-codex-mk04.md), 2 × [cDNA](https://factorio.kalzumeus.com/item/cdna.md), 8 × [Bioscaffold](https://factorio.kalzumeus.com/item/bio-scafold.md), 1 × [Nanochondria](https://factorio.kalzumeus.com/item/nanochondria.md), 1 × [RecA protein](https://factorio.kalzumeus.com/item/reca.md), 1 × [Immunosuppressants](https://factorio.kalzumeus.com/item/immunosupressants.md), 100 × [Pluripotent stem cells](https://factorio.kalzumeus.com/fluid/psc.md), 250 × [Sulfuric acid](https://factorio.kalzumeus.com/fluid/sulfuric-acid.md), 200 × [Rich gas](https://factorio.kalzumeus.com/fluid/rich-gas.md)
- Results: 5 × [Xeno MK 04](https://factorio.kalzumeus.com/item/xeno-mk04.md)
- Made in: Bioprinter MK 01, Bioprinter MK 02, Bioprinter MK 03, Bioprinter MK 04
- Unlocked by: [Xenos - Stage 4](https://factorio.kalzumeus.com/tech/xeno-mk04.md)

## Used in (2 recipes)

- Compost 1 × Xeno MK 04 (`biomass-xeno-mk04`, tier 1) → [Biomass](https://factorio.kalzumeus.com/item/biomass.md)
- Xeno MK 04 (`xeno-mk04r`, tier 9) → [Xeno MK 04](https://factorio.kalzumeus.com/item/xeno-mk04.md)