Find out what color your bunnies will be using the rabbit color calculator by inputting the gene of its parents.
The calculator typically requires input of the genotypes or phenotypes of both parent bunny. It then uses genetic algorithms and probability calculations to estimate the likelihood of various color outcomes in the resulting litter.
Rabbit Color Calculator
Dominant gene (B): Black
Recessive gene (b): Brown
| Parent 1 | Parent 2 | Offspring Probabilities |
|---|---|---|
| CCBBDd | CcBbDd | 25% CCBBDD (Black) 25% CCBBDd (Black) 12.5% CCBbDD (Black) 12.5% CCBbDd (Black) 12.5% CcBBDD (Black) 12.5% CcBBDd (Black) 6.25% CcBbDD (Black) 6.25% CcBbDd (Black) |
| CcbbDD | ccBbDd | 25% CcBbDD (Black) 25% CcBbDd (Blue) 25% CcbbDD (Chocolate) 25% CcbbDd (Lilac) |
| CCBbdd | CcBbDd | 18.75% CCBBDd (Black) 18.75% CCBbDd (Black) 18.75% CCBBdd (Blue) 18.75% CCBbdd (Blue) 6.25% CcBBDd (Black) 6.25% CcBbDd (Black) 6.25% CcBBdd (Blue) 6.25% CcBbdd (Blue) |
| ccbbDD | ccbbdd | 100% ccbbDd (Chocolate carrier of dilute) |
| CcBbDd | CcBbDd | 56.25% Full color (various shades) 18.75% Dilute colors 25% Albino |
Rabbit Color Genetics Chart
| Gene | Alleles | Dominance | Effect |
|---|---|---|---|
| A (Agouti) | Ay | Dominant | Yellow/Red/Orange |
| A | ↓ | Wild agouti (gray) | |
| at | ↓ | Tan pattern | |
| a | Recessive | Self (solid color) | |
| B (Brown) | B | Dominant | Black |
| b | Recessive | Brown | |
| C (Color) | C | Dominant | Full color |
| cch | ↓ | Chinchilla | |
| ch | ↓ | Himalayan | |
| c | Recessive | Albino | |
| D (Dense) | D | Dominant | Dense color |
| d | Recessive | Dilute color | |
| E (Extension) | Ed | Dominant | Black |
| E | ↓ | Normal extension | |
| ej | ↓ | Japanese brindling | |
| e | Recessive | Red/yellow | |
| En (English spotting) | En | Dominant | Spotting |
| en | Recessive | No spotting | |
| V (Vienna white) | V | Dominant | Blue-eyed white |
| v | Recessive | Normal eye color | |
| Du (Dutch) | Du | Dominant | Dutch pattern |
| du | Recessive | No Dutch pattern | |
| Si (Silver) | Si | Dominant | Silvering |
| si | Recessive | No silvering |
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Rabbit Color Calculation Formula
The formula used in rabbit coat color calculations is based on Mendelian genetics and takes into account several key genes that influence coat color.
The basic formula considers:
- Base color genes (A, B, C, D, E)
- Dilution genes (d)
- Extension genes (e)
- Modifying genes (such as the Vienna White gene)
The general formula can be expressed as:
Offspring Color Probability = (P1 gene) x (P2 gene) x (Interaction factors)Where:
- P1 gene is the probability of inheriting a specific allele from Parent 1
- P2 gene is the probability of inheriting a specific allele from Parent 2
- Interaction factors account for gene interactions and epistasis
This formula is applied to each relevant gene locus, and the results are combined to determine the overall probability of a specific color outcome.
What color fur is dominant in rabbits?
In rabbits, certain coat colors are considered dominant over others due to the nature of their genetic inheritance. The most dominant fur colors in rabbits include:
- Agouti (Wild-type): This is the most dominant color pattern, characterized by banded hair shafts that create a mixed, wild-looking coat.
- Black: Pure black is dominant over many other colors, including chocolate and blue.
- Chestnut: A reddish-brown color that is dominant over many lighter shades.
- Chinchilla: A silvery-gray color that is dominant over some other color variants.
What are the dilute rabbit colors?
Dilute colors in rabbits are created when the dilution gene (d) is present in its recessive form (dd). This gene affects the distribution and density of pigment in the hair shaft, resulting in a lighter or “washed-out” version of the base color. Some common dilute rabbit colors include:
- Blue: A dilute form of black, appearing as a soft, grayish-blue color.
- Lilac: A dilute version of chocolate, resulting in a pale, pinkish-gray shade.
- Fawn: A dilute orange or red color, appearing as a soft, light tan.
- Cream: An extremely diluted red or yellow, resulting in an off-white or pale yellow color.
- Lynx: A dilute version of chestnut, creating a pale, grayish-brown color.
These dilute colors are often highly prized in show rabbits and can add diversity to breeding programs. However, it’s worth noting that some dilute-colored rabbits may have slightly weaker fur quality compared to their non-dilute counterparts.
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