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GENERAL GENETICS.
DNA Is Not Destiny: The New Science of Epigenetics. Science for the Curious Discoverer.
How are Defects Inherited?
What is Epigenetics? Learn. Genetics. Genetic Science Learning Center. University of Utah.
What is Epigenetics? What is a Genetic Disorder?

GENETIC & CONGENITAL DISORDERS BY PHYSIOLOGICAL SYSTEM.

For disorders not proven to be directly inheritable, see ADDITIONAL HEALTH ISSUES BY PHYSIOLOGICAL SYSTEMS and INFECTIOUS DISEASES

Inherited Autoimmune Disorders.
Acquired Myasthenia Gravis.
Acquired Myasthenia Gravis

Allergies / Atopy
Allergies in Dogs. WebMD.
Atopic Dermatitis in the Dog by Stephen Shaw BVetMed, CertSAD, MRCVS
Canine Atopic Dermatitis. Merck Manuals.
Dermatology 4 Animals. Clink links for Common Fungi, Tree, Grass, Insect and Weed PDF files.
Dog Allergy Testing and Allergy Shots (immunotherapy). Allergy Dog Central.
Hemolytic Anemia Merck Veterinary Manual.
Saliva Testing Pins Down Your Dog's Food Sensitivities.
Skin Disease Due to Food Allergies in Dogs. Pet M

Autoimmune Hypothyroidism.
Autoimmune Thyroid Disease: A Common Problem in Purebred Dogs. By Jean Dodds, DVM
Canine Thyroid Disease Can Be Tough to Diagnose   by Morma Bennett Woolf
Hypothyroidism, Epilepsy, and Phenobarbital by D W. B. Thomas, DVM
Hypothyroid-associated Neurological Signs in Dogs. DVM 360. By Eric N. Glas, DVM, DACVIM (neurology).
The Hidden Signs of Hypothyroidism You Don’t  Want To Miss. Video. Interview by Karen Becker, DVM with Jean Dodds, DVM.
The Latest in Tests and Treatments for Thyroid Disease in Pets. Part I. By Karen Becker, DVM. 5/2015.
The Latest in Tests and Treatments for Thyroid Diseases in Pets. Part 2. 5/2015.

Complement Deficiency.
Disorder – C3 Deficiency.

Lupus Erythematosus.
Lupus Erythematosus in Dogs.
Lupus Erythematosus; Systemic, Cutaneous / Discoid. Systemic Lupus. UPEI by Crook et. al. 2011.
Systemic Autoimmune Disease in Dogs. Systemic Lupus. Pet MD.

Selective IgA Deficiency.
Immunoglobulin A Deficiency: A Hidden Source of Chronic Skin Allergies and Infections That Few Vets Detect. Healthy Pets. By Karen Becker, DVM. 2013.
Selective IgA Deficiency.

Severe Combined Immunodeficiency (SCID).Severe Combined Immunodeficiency (SCID).

Thrombocytopenia.Immune-Mediated Thrombocytopenia.
Low Platelet Counts in Dogs.
Overcoming the Diagnosis and Therapeutic Challenges of Canine Immune-Mediated Thrombocytopenia.

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Inherited Blood Disorders.
Coagulation Disorders.Coagulation (bleeding) Disorders. UPEI CIDD Database.

Hemophilia.Hemophilia.

Histiocytosis.
An Overview of Canine Histiocytic Disorders. DVM 360.

Immune Mediated Hemolytic Anemia.Portosystemic Shunt.

Anemia Related to the Immune System in Dogs. PetMD.
Immune Mediated Hemolytic Anemia.

Thrombocytopenia.
Canine Immune-Mediated Thrombocytopenia. South Carolina Veterinary Specialists & Emergency Care. 2014. PDF.
Immune Mediated Thrombocytopenia.

Von Willebrand's Disease.Von Willebrand's Disease. UPEI. CIDD Database.

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Inherited Cardiovascular Disorders.
General.
Clinical Cardiology Concepts for the dog and cat. By Michael R O’Grady, DVM, Diplomate ACVIM (Cardiology) and M. Lynne O”Sullivan, DVM, DVSc, Diplomate ACVIM (Cardiology).
Congenital and Inherited Disorders of he Cardiovascular System in Dogs. Merck Veterinary Manual. By David Borde, DVM, DACVIM, et. al. 2011.

Disorders.
Arrhythmogenic Right Ventricular Cardiomyopathy .
Arrhythmogenic Right Ventricular Cardiomyopathy.  Lymphedema (Secondary).

Atrial Septal Defect.
Atrial Septal Defect (ASD) and Patent Foramen Ovale (PFO). Merck Veterinary Manual.

Dilated Cardiomyopathy .Canine Dilated Cardiomyopathy. Penn Vet. 8/2013.
Enlarged Heart (Dilated Cardiomyopathy) in Dogs. PetMD.

Mitral Valve Dysplasia .Canine Dilated Cardiomyopathy (CDC). Cornell University College of Veterinary Medicine.

Mitral / Tricuspid Regurgitation .“Leaky Valve Disease” in Older Dogs. Cornell University College of Veterinary Medicine. 20014.

Patent Duct Arteriosus (PDA).
Patent Ductus Arteriosus. Cornell University College of Veterinary Medicine. 2014.

Persistent Right Aortic Arch.
Vascular Ring Anomalies in Dogs. PetMD.

Portosystemic Shunt
Portosystemic Shunt.
Portosystemic Shunts. American College of Veterinary Surgeons (ACVS).

Pulmonic Stenosis.
Pulmonic Stenosis. Penn Vet.
Pulmonic Stenosis.
Pulmonic Stenosis in Dogs. Cornell University College of Veterinary Medicine. 2014.

Sick Sinus Syndrome.
Heart Disease of the Sinus Node in Dogs.
The Heart Problem that Can Remain Hidden for Years. (Sick Sinus Syndrome). Healthy Pets. By Karen Becker, DVM. 4/2015.

Subaortic Stenosis.
Aortic / Subaortic Stenosis. Cornell University College of Veterinary Medicine. 2015.
SAS: Most Common Canine Genetic Heart Disease. Healthy Pets. By Karen Becker, DVM. 2014.

Tetralogy of Fallot .
Tetralogy of Fallot. Merck Veterinary Manual. By Sandra P Tou, DVM, DACVIM. 2015.
Tetralogy of Fallot in Dogs. Pet MD.

Tricuspid Valve Dysplasia.Heart Valve Malformation. PetMD.

Ventricular Septal Defect.
Ventricular Septal Defect. Merck Veterinary Manual. By Sandra Tou, DVM, DACVIM. 8/2015.
Ventricular Septal Defect (VSD) Congenital.

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Inherited Dermatological / Skin Disorders.
General.Congenital and Inherited Skin Disorders in Dogs. The Merck Manual Pet Health Edition

Disorders.
Acanthosis Nigricans.Acanthosis Nigricans.

Acral Lick Dermatitis (Lick Granuloma).Acral Lick Granuloma: A Dermatology Nightmare.

Atopy. See Inherited Autoimmune Disorder.

Canine Acne . Canine Acne.

Colour Dilution AlopeciaColour Dilution Alopecia.

Demodectic Mange .Demodicosis / Demodectic Mange.

Epidermal Dysplasia .
Epidermal Dysplasia.

Lupus Erythematosus. See GENETICS: Inherited Autoimmune Disorders.

Malassezia Dermatitis.
Fungal Infection (Malassezia Pachydermatous) of the Skin in Dogs. PetMD.
Malassezia Dermatitis / Otitis. (Also see Auditory / Ear.)

Pemphigus. See GENETICS: Inherited Autoimmune Disorders.

Perianal Fistula.
Perianal Fistula. American College of Veterinary Surgeons.

Sebaceous Adenitis .
Inflammatory Skin Disease in Dogs. Sebaceous Adenitis. PetMD.
Sebaceous Adenitis.

Seborrhea.
Overview of Seborrhea.
Seborrhea.
Seborrhea in Dogs. Merck Veterinary Manual. By Karen A. Moriello, DVM, DACVD, et. al. 7/2001.

Vitamin A-Responsive Dermatosis .
Vitamin A-Responsive Dermatosis. Dermatology for Animals.

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Inherited Endocrine Disorders.
General.
Endocrine Disorders. WebMD.
Multiple Endocrine Neoplasia Syndromes. Merck Manual: Consumer Version. By Patricia A. Daly, MD.

Disorders.
Diabetes Mellitus .
Cataracts, Blindness and Diabetic Dogs. Animal Eye Care. By Terri L. McCalla, DVM, DACVO.
Clinical Signs of Diabetes Mellitus in Dogs and Cats.
Diabetes Mellitus. The Merck Veterinary Manual.

Hyperadrenocorticism & Hypoadrenocorticism.
Hyperadrenocorticism (Cushing's Syndrome).
Hypoadrenocorticism (Addison's Disease).

Hypothyroidism. See Inherited Autoimmune Disorders.

Juvenile & Autoimmune Hyperparathyroidism.Juvenile Hyperparathyroidism.

Pituitary Dwarfism.Pituitary Dwarfism.
Symptoms of Pituitary Dwarfism in Dogs.

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Inherited Eye Disorders.
General.
Know The Breed to Diagnose Corneal and Scleral Diseases In Dogs. By Kerry Ketring, DVM
Ocular Disorders Presumed to be Inherited in Purebred Dogs. (ACVO).
The Genetics of Eye Disorders in the Dog. BioMed. By Cathryn S. Mellersh.

Disorders.
Cataracts. Cataracts and Cataract Surgery in Dogs. Animal Eye Care. By Terri L. McCalla DVM, DACVO
Cataracts in Dogs. PetMD.
Understanding Cataracts by Michigan Veterinary Specialists Dan Lorimar DVM Diplomate ACVO

Corneal Dystrophy.Corneal Dystrophy.
Corneal Ulcers. Eye Care For Animals.
Corneal Disease (Inherited) in Dogs. Pet MD.

Corneal Ulcers. Indolent Corneal Ulcers. Northwest Animal Eye Specialists.

Ectropion & Entropion.Ectropion.
Entropion

Glaucoma.
Glaucoma.
Glaucoma In Dogs. Pet MD.
Recognize the Early Warning Signs of Glaucoma in Pets. Health Pets. By Karen  Becker, DVM. 2/2012.

Imperforate Lacrimal Punctum . Imperforate Lacrimal Punctum.

Keratopathy .Exposure Keratopathy Syndrome.

Lens Luxation.
Canine Lens Luxation Basics. Canine Genetic Diseases. By Elizabeth A. Giuliano, DVM, Dipl. ACVO.
Len Luxation.

Microphthalmia Ocular Dysgenesis .Microphthalmia; Ocular Dysgenesis.

Pannus .Pannus (Chronic Superficial Keratitis).

Persistent Pupillary Membranes.
The Eyes Have It: Persistent Pupillary Membranes by Dr. Meek

Progressive Retinal Atrophy (PRA).
Canine Progressive Retinal Atrophy by CGD Network University of Missouri
PRA Expert Helps Reduce Inconsistencies in Diagnosis TTCA Health Committee Report
Progressive Retinal Atrophy (PRA): No Longer a Hopeless Disease. Animal Eye Care. DACVO.
Project PRA in Tibetan Terriers: Progress report 12-23-2008
What Is Progressive Retinal Atrophy by Canine Inherited Disorders Database

Retinal Dysplasia .
Retinal Dysplasia / OSD. Background of Disease (test). Optigen.
Retinal Dysplasia and Retinal Folds. EyeVet Info. ACVO.

Third Eyelid Abnormalities .
Third Eyelid (Nictitating Membrane) Abnormalities “Cherry Eye”.

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Inherited Gastrointestinal Disorders.
General.
Disorders.
Chronic Hepatitis<.
Canine Chronic  Hepatitis. Diagnosis & Treatment. Peer Reviewed; Texas A&M University.
Chronic Hepatitis. University of Prince Edward Island (UPEI). By Crook, A. et.al. 2011.

Cleft Lip Palate.Cleft Palate by ProVet

Copper Toxicosis .Copper Toxicosis (CT). VetGen.
Copper Toxicosis (CT): (Hepatotoxicosis; Copper Storage Disease). DVM 360. By Audrey K Cook, DVM, DACVIM and Brian Bostrom, DVM. 8/2008.

Exocrine Pancreatic Insufficiency. Lack of Digestive Enzymes in Dogs. PetMD.
A Quick Review of Canine Exocrine Pancreatic Insufficiency. DVM 360. By Jessica A. Morgan, DVM. And Lisa E. Moore, DVM, DACVIM. 8/2009.

Extrahepatic Liver Shunts.Portosystemic Shunts. University of Tennessee College of Veterinary Medicine. By Prof. Karen Tobias.
Portosystemic Shunts. American College of Veterinary Medicine (ACVS).

Gastric Dilation-volvulus (Torsion) .Gastric Dilatation-Volvulus.

Gluten-sensitive Enteropathy.Gluten-Sensitive Enteropathy.

Histiocytic Ulcerative Colitis .Colonic Ulcer in Dogs. PetMD.

Intestinal Lymphangiectasia .Intestinal Lymphangiectasia.

Megaesophagus .Megaesophagus. Canine Megaesophagus Info. 2011.

Pancreatitis.
Inflammation of the Pancreas in Dogs. PetMD.

Perianal Fistulas.
Medical Management of Perianal Fistulas. DVM 360. By Sherri Wilson.

Portosystemic Shunt. See Inherited Gastrointestinal Disorders: Extrahepatic Liver Shunt.

Protein-Losing Enteropathy.
Combination Therapies for Protein-losing Enteropathy. Which is Best?
Protein-losing Enteropathy: Intestinal Protein Loss in Dogs. PetSCI. 1/15/2015.

Pyloric Stenosis.
Narrowing of the Pyloric Canal in Dogs. PetMD.
Pyloric Obstruction/Stenosis by Dr. Nicholas Trout

Small Intestinal Bacterial Overgrowth (SIBO).
Bacterial Overgrowth in Dogs –More Common Than You Think. VIN. Proceedings. 205 Conference. By Roger M Batt.
Small Intestinal Bacterial Overgrowth (SIBO) and Pancreatic Insufficiency in Dogs. PetMD.

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Inherited Neurological Disorders.
General.

Disorders.
Ataxia: Cerebella Abiotrophy.
Cerebella Ataxia.

Canine Neuronal Lipofuscinosis (CCL & NCL).
NCL in Tibetan Terriers. GENOMIA.
Neuronal Canine Ceroid Lipofuscinosis (CCL). Canine Genetic Diseases.
Neuronal Canine Ceroid Lipofuscinosis Basics.
OFA Testing Services.

Cerebellar Hypoplasia.
Congenital and Inheritable Cerebellar Disorders. Merck Veterinary Manual.

Congenital Myasthenia Gravis.
Myasthenia Gravis. UC Davis.
Myasthenia Gravis in Dogs. Pet Health Network.

Deafness.
Deaf Dog Education Action Fund.
Genetics and Inheritance of Canine Deafness. OFA. By Dr. Gorge M. Strain.
Hearing Loss in Dog (Canine Deafness). Petwave. Keeping pets in motion. 2015.

Degenerative Myelopathy (DM).
Degenerative Myelopathy (DM).

Epilepsy.
Canine Epilepsy Network CEN Discussion Forum, University of Missouri
Canine Epilepsy Network CEN, University of Missouri
Canine Epilepsy Resource Center 
Inherited Epilepsy in Dogs. ScienceDirect.

Hydrocephalus.
Hydrocephalus.

Intervertebral Disk Disease.
Intervertebral Disk Disease.

Myasthenia Gravis.
Myasthenia Gravis. UC Davis.
Myasthenia Gravis.

Myopathy (X-linked Muscular Dystrophy.)
Myopathy, non-inflammatory X-Linked Muscular Dystrophy in Dogs. PetMD

Spina Bifida.
Spina Bifida.

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Inherited Orthopedic / Musculoskeletal Disorders.

Dwarfism.
Juvenile-onset Pituitary Panhypopituitarism (Dwarfism). The Merck Medical Manual.
Osteochondrodysplasia Leg Deformities and Dwarfism – in the Canine. SiriusDog.
Osteochondrodysplasia – Skeletal Dwarfism.
Symptoms of Dwarfism in Dogs. 7/2015.

Elbow Dysplasia.
Abnormal Development of the Elbow in Dogs. Pet MD.
Canine Elbow Dysplasia
American College of Veterinary Surgeons. (ACVS.)
If Your Dog's Gait is Changing, Check for elbow Dysplasia. Healthy pets.

Hip Dysplasia.
Canine Hip Dysplasia. American College of Veterinary Surgeons.
Canine Hip Dysplasia Treatment Options. OFA.

Patella Luxation.
The Luxating Knee. What is Patella Luxation? OFA.
Patella Luxation. American College of Veterinary Surgeons.

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Inherited Reproductive Disorders.
General.

Disorders.

Cryptorchidism.
Cryptorchidism in the Dog. How It Happens. How to Diagnose. Whether to Treat. Reproductive Revolutions. By Cheryl Lopate, MS, DVM, Dipl. American College of Theriogenologists.

Disorders of Sexual Development.
Disorders of Sexual Development- Sexual Reversal. (Psuedohermaphrodites and Hermaphrodites.

Hermaphroditism.
Hermaphrodite and Psuedohermaphrodites in Dogs. Pet Place.

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Inherited Respiratory Disorders.
Tracheal Collapse.
Tracheal Collapse.

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Inherited & Congenital Urinary Tract Disorders.
General.
Congenital and Inherited Disorders of the Urinary Tract  System in Dogs.
Congenital Kidney Disease in Dogs. Pet MD.

Disorders.
Familial Kidney Disease.
Familial Kidney Disease.

Fanconi Syndrome.
Fanconi Syndrome in Dogs. Canine Genetic Disease Network.
Renal Tubular Defects in Small Animals. Merck Veterinary Manual.

Neophroblastoma. See Cancer.

Polycystic Kidney Disease.
Kidney Disease Caused by Multiple Cysts in Dogs. PetMD.
Multicystic Dysplastic Kidney Disease In a Dog. The Canadian Veterinary Journal.

Protein-Losing Nephropathy.
Nutritional Management of Protein-Losing Nephropathy. Tufts Cummngs School of Veterinary Medicine.
Protein-Losing Nephropathy in Dogs (PLN). McFarland Animal Hospital.

Renal Dysplasia.
Renal Dysplasia in Dogs. Abnormal Kidney Development.

Urethral Shaft Abnormality.
Urethral Shaft Abnormality in Dogs.

Urolithiasis.
Urolithiasis (Stones).

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