Many men are self-conscious about their hair, and for a good reason. It’s one of the most visible parts of our appearance. Baldness is often associated with age, and health issues – but what impact does genetics have on male pattern baldness?
There’s plenty of confusion surrounding hereditary hair loss. Some believe it’s passed down only from the mother’s side, while others argue there’s no such thing as a “male pattern baldness gene” at all. Some common questions include:
- Does it come from your mother’s or father’s side of the family?
- Can male pattern baldness skip a generation?
- Is male pattern baldness recessive or dominant?
In this post, we discuss everything you need to know about genetic hair loss and including the science behind it.
Quick Answers:
- Male pattern baldness can come from either side of the family, since it involves multiple genes.
- It may seem to skip a generation, but the risk is usually still passed down and expressed differently.
- It’s neither purely recessive nor dominant. It’s a complex, polygenic trait influenced by genes and hormone sensitivity.
- If you have a family history of balding, be proactive about watching for early signs and getting treatment.
What is Male Pattern Baldness?
Male pattern baldness (also known as androgenetic alopecia) is the most common form of hair loss in men. It is a genetically driven condition that causes gradual thinning of hair in a predictable pattern.
It is characterized by:
- A receding hairline
- Thinning at the temples
- Hair loss at the crown (vertex)
Over time, these areas of hair loss may expand and eventually connect, leaving hair primarily around the sides and back of the scalp.
Where Does the Male Pattern Baldness Gene Come From?
Male pattern baldness is strongly influenced by genetics, and family history is a strong predictor of when and how hair loss may occur.
You inherit genetic factors that can influence your risk of balding. However, it is not solely inherited from your mom’s side of the family, and it does not skip a generation.
Hair loss is genetically complex and influenced by multiple genes from both parents, along with hormone sensitivity and age, which is why it can show up differently in each person and each generation.
Balding Genetics Inherited From Both Parents
Although male pattern baldness is hereditary, it is not passed down exclusively from your mother’s side. While variants like those in the androgen receptor gene play a role, hair loss is influenced by multiple genes inherited from both your mother and father.
Studies have shown that male baldness has a complex inheritance pattern and is not simply determined by one gene. So, there is still much we do not know about its inheritance patterns.
Hair Loss Genetics Does Not Skip a Generation
It can appear to skip a generation, but it doesn’t truly “skip” genetically. Male pattern baldness is polygenic, meaning it’s influenced by multiple genes inherited from both parents, and not just one “baldness gene.”
While the androgen receptor gene on the X chromosome plays a major role, many additional genetic factors affect how sensitive your hair follicles are to DHT and when thinning begins. That’s why hair loss can appear to “skip” a generation, but the genetic risk may be passed down quietly and expressed differently depending on the combination inherited and individual hormone sensitivity.
Male Pattern Baldness Is Neither Recessive Nor Dominant
Hair loss is neither purely recessive nor purely dominant — it’s polygenic and influenced by multiple genes.
Male pattern baldness (androgenetic alopecia) involves many genetic variants inherited from both parents, including genes on the X chromosome (such as the androgen receptor gene) and on several other chromosomes. Because multiple genes contribute, and their effects combine, it doesn’t follow simple high school Mendelian dominant/recessive rules.
What Else Beside Genetics Affects Balding?
Genetics is the primary driver of male pattern baldness, accounting for an estimated 70–80% of overall risk. However, several non-genetic factors make up the remaining 20–30% and can influence how quickly hair loss progresses or how noticeable it becomes. These factors include:
- Medical conditions (such as thyroid disease and anemia)
- Certain medications (including some cancer and arthritis treatments)
- Lifestyle choices like your diet, sleep patterns, and exercise can affect hair health
- Chronic or acute stress can disrupt the hair growth cycle
- Hormonal influences, which include the role of testosterone and DHT
These factors typically do not cause male pattern baldness on their own; they require a genetic predisposition. However, they can:
- Accelerate progression
- Trigger temporary shedding
- Worsen the appearance of thinning
The good news: many of these non-genetic contributors are temporary and at least partially reversible when the underlying issue is addressed.
Genetics, however, are different: male pattern baldness is typically progressive and permanent, and age compounds genetic and hormonal effects, making early intervention more effective. It is driven by inherited DHT sensitivity that gradually miniaturizes follicles, particularly at the crown and temples. When thinning appears in a defined circular pattern at the crown, it is usually genetic, and addressing it early is key to slowing progression.
Can Genetic Baldness Be Prevented?
It is not possible to completely stop hereditary hair loss; however, you can slow down the rate of hair loss.
Male pattern baldness (androgenetic alopecia) is largely driven by inherited sensitivity of hair follicles to DHT. Since you can’t change your genes, you can’t fully “prevent” it, but you can intervene in the process.
But timing matters, and being proactive in treatment is important.
What to Do If Male Pattern Baldness Runs In Your Family
If you have a strong family history of balding, be proactive – particularly if:
- Multiple male relatives have experienced hair loss before age 35
- You notice temple recession or crown thinning in your early-to-mid-20s
- You see increased shedding with visible density changes
You don’t need treatment “just because” it runs in your family, but you should monitor your scalp closely.
Know The Early Signs
Catching hair loss early is key to your long-term hair health. Start treatment when you notice:
- Receding hairline, slowly creeping back at the temples
- The crown looks thinner under bright light
- Miniaturized (short, thin) hairs that occur near the hairline
- A widening part (in some, but not all cases)
The earlier you intervene, the better the outcomes. Treatments maintain and strengthen existing follicles, not revive ones that are fully gone.
Be Proactive About Treatment
Male pattern baldness is progressive. Acting early gives you the best chance to preserve a fuller, healthier head of hair. Once follicles miniaturize past a certain point, they stop producing visible hair.
Starting early:
- Preserves density
- Slows progression
- May regrow miniaturized hairs
- Reduces the need for future transplants
Waiting until hair loss becomes significant often means you’re trying to recover lost ground instead of maintaining what you have.
Best Options for Treating Male Pattern Baldness
If you’re noticing hair loss, choosing the right treatment based on your stage of hair loss can help slow progression, restore density, and maintain a natural look.
Medication (for Early Stage Hair Loss)
- Finasteride (oral): Blocks DHT, the hormone that shrinks hair follicles, helping to stop or slow hair loss. Some men may also see regrowth, mainly at the hairline and crown.
- Minoxidil (topical): Applied to the scalp to stimulate growth and slow thinning. Works best on crown and vertex areas rather than receding hairlines alone.
Non-Surgical Procedures (for Moderate Thinning)
- Low-Level Laser Therapy (LLLT): Devices like combs or helmets increase blood flow to follicles. Often used alongside finasteride or minoxidil for enhanced results.
- Microneedling: Tiny scalp punctures stimulate collagen and growth factors. Frequently combined with minoxidil for improved density.
- PRP (Platelet-Rich Plasma) Therapy: Uses your own blood platelets to stimulate follicles. Can increase thickness and density in thinning areas.
- Exosome Therapy: Advanced regenerative treatment using extracellular vesicles to reactivate dormant follicles. While this is a promising method, exosome therapies for hair loss are not FDA-approved for hair restoration, so effectiveness is not guaranteed and results can vary widely between individuals.
Hair Transplants (for Advanced Hair Loss)
Considered when hair loss is more advanced or non-surgical methods aren’t enough. Hair transplants (FUE or FUT) move healthy follicles to thinning areas, providing permanent, natural-looking results.
Understanding Your Hair Loss Stage
The Norwood-Hamilton Scale is a widely-used system that measures male hair loss and how it progresses over time. Learn more about the Norwood Scale to understand and determine your stage of hair loss.
Hair Loss Quiz
Discover the possible causes of your hair loss with our quick and insightful quiz.
- Understand how hair loss impacts lifestyle, genetics, and health
- Get personalized insights into your hair loss
- Receive next steps for improving hair health
Conclusion: Male Pattern Baldness and Genetics
Genetics have a strong effect on male pattern baldness, but other factors also contribute, including diet, stress, hormonal changes, and other factors. Other lifestyle updates like changing your hairstyle or switching to a gentler shampoo can make a difference. While there is no cure for male pattern baldness, treatments can help slow hair loss or even promote new hair growth.
If you are concerned about male pattern baldness and its genetic factors, consider scheduling a consultation with a hair loss specialist at Natural Transplants Hair Restoration Clinic. We have locations in South Florida and Washington DC and we offer travel incentives for our patients. Book your virtual consultation with a licensed medical doctor today.
