Educational Resource
Genetics Guide
Science-backed deep dives into poodle coat color genetics, written for breeders, enthusiasts, and anyone who wants to understand the biology behind the colors.
New to poodle genetics? Start here49 articles
Reading an Animal Genetics DNA Panel for Poodles
Animal Genetics is one of the more commonly used labs among Poodle and Doodle breeders working to a budget, largely on the strength of its bundled Complete…
Cavapoo Coat Color Genetics: A Poodle Breeder's Perspective
Cavapoo breeders and puppy buyers run into the same surprise often enough that it deserves a straight answer: a litter produces a puppy in a color that doesn't …
Can a Goldendoodle Be Brindle? The K Locus Answer
Every so often a puppy is marketed as a "brindle Goldendoodle," and the listing gets a lot of attention — because brindle is striking, and because anyone who…
Chocolate Doodles That Turn Silver: B Locus, Dilution, and Café-au-Lait
"My chocolate Goldendoodle is turning silver. Is this normal?" It is one of the most common questions doodle owners ask, and it has two completely different…
F1 vs F1B Coat Genetics: Furnishings, Curl, and What DNA Actually Predicts
An F1 Goldendoodle costs one price. An F1B costs more, and the justification is always the coat: curlier, more hypoallergenic, less shedding. Buyers pay the…
Why Is My Goldendoodle Fading? The Clearing Gene, Explained
Your Goldendoodle was jet black at eight weeks. At six months there is silver threading through the muzzle. At a year, the whole dog is going pewter, and you…
Merle Bernedoodles and Phantom Merles: Reading the M Locus in a Cross
If you are looking at a Bernedoodle puppy advertised as merle — or as phantom, with a pedigree that mentions merle somewhere upstream — you are looking at a…
Phantom Doodles: Why the Tan Points Come From the Poodle
A phantom Bernedoodle puppy — black with crisp copper eyebrows, chest, and leg markings — sells the moment its photo goes up. Buyers call it rare. Breeders…
Roan and Ticking in Poodles: The R Locus Explained
Ticking is small, colored flecks that appear inside the white areas of a parti or abstract poodle's coat. A parti poodle with ticking doesn't have clean white…
Sable Doodles: The 'Burnt Toast' Puppy That Grows Up Cream
At eight weeks old, the puppy was a rich, dark, burnt-toast brown. The breeder called it sable, and it was gorgeous. At fourteen months, the same dog is cream…
Why Is My Poodle's Coat Changing Color?
If you searched for this because your puppy's coat looks different than it did a few months ago, take a breath: for the overwhelming majority of poodles, a…
How to Read a Wisdom Panel Health & Trait Report
Wisdom Panel is the one lab report on this list confirmed directly from a real, current, official sample dog report — not a marketing page describing what the…
Merle Goldendoodle Genetics: What the Poodle Parent Actually Contributes
If you have searched for "merle Goldendoodle genetics," you likely already suspect the answer: merle does not come from the Golden Retriever side. It comes…
Why No DNA Test Explains Irish Spotting in Poodles — And What's Being Done About It
Most of what a commercial DNA panel reports back is settled science. Test a poodle for the S locus and you get a real answer, grounded in a gene that's been…
Clearing, Fading, and Holding: The Three Ways a Poodle's Coat Actually Changes
A black puppy that turns silver. A deep red puppy that settles into apricot. A black puppy that is still, unmistakably, the same black at eight years old. New…
Poodle Genetic Diversity: Standard vs. Mini vs. Toy
Standard, Miniature, and Toy Poodles are one breed by kennel-club rule and three genetically distinguishable populations by the data. UC Davis Veterinary…
Reading a UC Davis VGL Report: The Genotype-Code Labs Explained
Order a coat-color or health panel from UC Davis Veterinary Genetics Laboratory and you will not see the words "Clear," "Carrier," or "At-Risk" anywhere on it. …
Can Two Cavapoos Make a Merle Puppy?
Short answer: not from the Cavalier side. Merle is not a documented part of Cavalier King Charles Spaniel genetics, so two purebred Cavaliers cannot produce a…
Silver Beige vs. Café-au-Lait: Telling the Brown-Based Greying Colors Apart
Silver beige and café-au-lait are the same event at two different doses. Both start as a brown-based puppy ( at the B locus) born dark, and both lighten over…
Poodle Hip Dysplasia: OFA and PennHIP Screening Explained
Most of this site's health content is about DNA: a variant, a copy count, a mode of inheritance. Hip dysplasia does not fit that pattern, and pretending…
How to Read an Embark DNA Report for Your Poodle
Embark is the DNA test most poodle owners actually hold in their hand, and its report reads more simply than any other lab's — which is exactly what makes it…
The Poodle Half of Your Doodle
If you breed or own a Goldendoodle, Cavapoo, Bernedoodle, Labradoodle, or Sheepadoodle, half of that dog's genome is Poodle. Not "Poodle-influenced." Not…
Your First Poodle DNA Panel: What to Decide Before You Order
Most poodle DNA testing advice starts one step too late. It assumes you already know you want a color panel, or a health panel, or both, and it walks you…
Sebaceous Adenitis and Addison's in Standard Poodles
Most of the health content on this site skews Toy and Miniature, because that is where the single-gene, direct-test variants sit: CDDY, GM2 gangliosidosis,…
Which Poodle Colors Are AKC Conformation-Eligible? (Quick Reference)
The AKC Poodle breed standard requires a solid color. Every one of the 10 recognized solid colors is eligible for conformation. Every pattern or marking,…
Embark vs. UC Davis VGL vs. Wisdom Panel: Which Loci Each Lab Actually Reports for Poodles
That question gets asked before a single result exists, and it deserves an answer that isn't just a brand recommendation. The honest version of the question is …
The Poodle Breeder's First Health-Testing Panel: A Practical Checklist
Most of what gets written about poodle health testing assumes you already have a result in hand and need to know what it means, or that you already know your…
Poodle Coefficient of Inbreeding: What the Genetic Diversity Research Actually Shows
A DNA panel tells you what one dog carries. A coefficient of inbreeding tells you something a panel cannot: how related the two dogs behind a proposed pairing…
How to Build a Punnett Square for Poodle Coat Color
The color calculator will do this math for you in a fraction of a second, across every locus at once. So why learn to build a Punnett square at all? Because…
Sable Poodle Color Genetics: Why Two Puppies From the Same Litter Look Different
A sable poodle is a dog whose coat is predominantly phaeomelanin (the red-yellow pigment) with eumelanin (the dark pigment) layered over the top of individual…
Anatomical Landmarks: Learning to Read a Poodle
Every breed standard, the Poodle's included, is written in a specific vocabulary: withers, topline, croup, stifle, and a dozen other terms that name exact…
Poodle Colors and Patterns: The Complete Guide (10 Solid Colors + 9 Markings)
A poodle's coat falls into one of two categories: a solid color (one color over the whole body, AKC-eligible for conformation) or a pattern/marking (two or…
The Poodle Genetics Book Series: What's Actually in Each Volume
Most poodle genetics content online is a single article or a single locus. It answers one question and stops. The Poodle Genetics Lab book series exists…
From Genotype to Decision: A Framework for Making the Pairing Call
A DNA health panel hands you a stack of copy counts and interpretive labels. A pedigree hands you a family tree. A hip radiograph hands you a score. None of…
Dog DNA Health Results Confusing You? Read Every Line Right
A health panel answers a narrower question than most breeders think it does. It tells you which variants, from a fixed list, a particular dog carries. For a…
KITLG and Coat Intensity: The Gene Behind Deep Red, Black, and Silver Poodles
Two poodles, same litter. One is a blazing, saturated mahogany red; her brother is a decent but unremarkable apricot. Two more, different litter: one black…
CDDY and IVDD in Poodles: Why the Panic Is Misplaced and Culling Is the Wrong Answer
A CDDY result frightens more Toy and Miniature Poodle breeders than almost any other line on a DNA panel. The dog is healthy. The dog's parents were healthy.…
Copper Toxicosis and ALT on Your Embark Report: What These Results Actually Mean
Three results have started appearing on poodle DNA panels that are causing more confusion than almost anything else on the report: - Copper Toxicosis…
What a Doodle Coat Panel Can and Cannot Tell You
Poodle crosses are bred, priced, and sold largely on coat. A "fleece" puppy is advertised differently from a "wool" one, and a puppy that turns out to shed is…
Ay, aw, at, a — and What Replaced Them: Reading the Modern ASIP Haplotypes
The A locus is in the middle of a transition, and a breeder needs to understand both sides of it. For decades it was described as a simple four-allele series — …
Confused by Your Poodle's DNA Color Results? Here's How to Read Them
A color panel is the most useful tool a poodle breeder has ever had, and it is routinely misread. Not because breeders lack intelligence, but because the…
The Untestable Whitehead and Irish Spotting Genes: A Working Hypothesis
Everything below is a working hypothesis drawn from breeding records, not a conclusion drawn from a study. There is no identified gene for either factor…
Why Red Poodles Fade: The Intensity Problem, and Why No Test Predicts It
Ask any breeder who has worked with red poodles for the story, and it is always the same story. A litter of deep, glowing mahogany puppies. Deposits taken on…
Parti Poodles and the S Locus: What Causes White Spotting in Poodles
A parti poodle has a coat with at least 50% white, with random patches of another color (black, brown, red, apricot, or any other poodle color). The white…
Phantom Poodles: Understanding the A Locus and Tan Point Genetics
A phantom poodle displays a distinctive two-tone pattern: a darker base color (typically black, brown, blue, or silver) with specific tan or apricot markings…
Merle in Poodles: The Genetics, The Controversy, and What Every Breeder Must Know
The merle topic generates strong opinions in the poodle community. This article aims to present the genetics and health data accurately and without agenda.…
What Is the Greying Gene? How Poodles Change Color as They Age
Few things confuse new poodle breeders more than the silver poodle phenomenon: a puppy born apparently jet-black who, by twelve to eighteen months, has…
The B Locus Explained: Black vs. Brown Poodles and the B Locus
Every poodle breeder who has produced a brown puppy from two black parents has had the same moment of confusion. How is that possible? The answer lies entirely …
Understanding the E Locus: Why Some Poodles Are Always Red or Cream
The E locus, formally called the Extension locus, sits on canine chromosome 5 and governs one of the most fundamental decisions in coat color genetics: whether …
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