Blog | přidáno 2. 12. 2025
When Genes Meet Nurture
„Genetics sets the potential. Your training determines whether this potential becomes a problem or a perfect partnership.“
„My dog is reactive; it’s in their genes. There’s nothing that can be done about it.“
We hear this often. An easy excuse that relieves us of responsibility. When we fail, it is so tempting to blame the DNA, to blame fate.
However, the science of canine behavior and modern ethology no longer solve the dilemma of“genes OR environment”. Today we know that genes AND environment always go hand in hand. Genetics is just a blueprint. What actually comes to fruition from this blueprint depends on the environment and training.
No More Capitulation: Attributing behavior (reactivity, aggression, low drive) exclusively to genes is de facto capitulation and an evasion of responsibility for management and training. Welcome to a world where you hold far more power than you ever realized!
🧬 Genes give potential, not verdict.
What exactly do dog genes determine? They are not specific commands, but rather capacity and tendencies.
MYTH: Genes turn a dog into a reactive one.TRUTH: Genes give the dog the potential for a strong reaction. It is up to us whether we channel this potential through training (give it direction) or activate it through an unsuitable environment (let it explode).

🤰 Environment: Responsibility starts with the breeder.
The early environment has a terrifyingly large influence on the dog’s genetic blueprint. This is where modern science introduces a concept that will change your perspective on breeding and early care: epigenetics
What does this mean? Simply put, the environment is capable of biologically “overwriting” the genetic settings without changing the DNA sequence itself.It’s like installing software onto the genetic hardware. These changes can also be trans-generational—the experiences of grandparents influence the grandchildren.
The Biggest Game Changer? Early Stress. Stress experienced by the mother during pregnancy, lack of maternal care, or a chaotic and noisy environment at the breeder’s can epigenetically tune the puppy’s brain toward chronic anxiety and low stress tolerance. This makes the future dog more volatile.
For Breeders (And why the female is the “Holy Grail”):
Forget the 50/50 myth. Although the genetic contribution from the male and female is equal , the total influence of the female on the progeny’s psyche is immense. Why? Because she provides both nurturing and biological programming. The stress the female experiences (or conversely, the calm you provide her) biologically sets the puppies’ “fear switch.” These stress hormones pass from the female through the placenta and change the setting of the puppy’s brain.
In practice, this means breeders often chase the best sire around the world, but the holy grail is at home—in their own female. If the female is handled well, if she is calm and receives positive stimuli (including light activity and contact ), this has a huge positive impact on the entire litter. Poor care can thus destroy even the best genetic foundation in a single generation. Regular positive exercise and stress reduction for the pregnant female is therefore a mandatory investment in the future psyche of the entire litter.
This is why the critical socialization window is so crucial: it is an investment which, during the period of maximal neuroplasticity, or the time of highest brain adaptability, ensures the dog learns to perceive the world calmly. A responsible breeder who invests in proper stimulation literally biologically improves the psyche of the future companion.
🛠️ Who teaches whom? The Culture Clash
The dog lives in human culture but is guided by canine instincts. Behaviors like excited jumping, barking, or even attempts at basic canine communication (e.g., vocalization) are normal and natural for dogs. Your dog is not a “misfit”; they are simply acting as a dog fulfilling their instincts.
Training (the environment) is not meant to eliminate instincts (genes).It serves as the diplomatic solution to this cultural clash.
Our task is to modify and channel genetically determined behavior into the form known as social skills , which is compatible with human culture.
Without clear leadership, consistency, and clarity from the owner, even a dog with good genetics can become unbalanced, and vice versa.

Given that every dog has a different genetic blueprint, we need a whole toolbox of instruments. The right method isn’t just about treats or corrections, but about how effectively we channel innate behavior.
A. Shaping and Calmness (Positive Reinforcement)
Methods such as clicker training and positive reinforcement are fundamental tools. They teach the dog that behavior desirable in human culture leads to gain and reward.This is an ethical way to utilize the dog’s natural motivation and redirect its instincts towards constructive activity. Ideal for obedience foundations and building trust.
B. Leadership instead of Dominance
If you are grappling with the misconception of “dominance,” remember: Canine social behavior is perpetual negotiation; the dog seeks not what is right, but what is most advantageous and safest for them at that moment. The goal is not to “show who is boss,” but to offer the dog clear, understandable leadership. This leadership must be so advantageous and reliable that the dog, based on calculation, prioritizes cooperation with you over its own instinctive strategy.
C. Management of Intense Behavior (Advanced Systems)
For dogs with strong, deeply ingrained instincts and intense behavior—whether it is hunting drive, high reactivity, or innate vigilance—a sophisticated strategy of environmental management is necessary.These instincts cannot be ignored. The goal of such advanced systems, such as NePoPo® (Negative-Positive-Positive) is to give the dog the feeling that they can influence their environment. By having their own action lead to a reward, genetically strong behavior is channeled into highly motivated and passionate performance, minimizing internal conflict.
he debat Genes OR Training is dead. There is only perpetual interaction.
Genetics defines what your dog is potentially, and the breeder’s early environment biologically fixes that setting. Your daily management and training then determine how this potential is realized in adulthood.
Genes are the blueprint, but you are the architect. 💖 And you hold the power of the environment, which is enormous.
Your consistency, clarity, and understanding are key to teaching your dog to utilize its strong instincts for a calm and balanced life in human culture.
Do you want to learn how to be a rue architect of your dog’s behavior, regardless of their genetic predisposition? Do you finally want to learn how to work with those strong instincts that cannot be ignored?
Stop fighting the genes and start SHAPING them.Learn to work with innate potential and intense behavior live!
Follow our websites and social networks so you don’t miss the date of our nearest workshop, focused on Shaping Strong Instincts, Building Resilience, and Practical Management.