7 interesting facts about heredity

The formation of the human person at the same time is influenced by both inherited traits from their parents and the environment. The debate about which of these factors is more important, do not cease to this day. Some believe that proper education is able to correct any birth defects. However, whether this is in fact so? In our list you will find facts that will make you doubt it.

1. Laziness

Some people are just pathologically lazy. They are able to spend days lying on the couch and get unlimited pleasure from this. Recently, researchers found that the behavior of such people is not so much to blame bad parenting as a special set of genes. Scientists compared the two groups of rats, one of which collected the most active individuals, and the other - the most lazy. The study of their offspring revealed differences at the genetic level, which clearly defines the characteristics and behavior.

2. The desire for travel

Have you ever noticed how difficult it is to individuals to budge? While others, like a magnet, constantly pulls on the road? The difference in behavior is due not erudition, intelligence or level of development of the romance. All the fault

gene DRD4-7R, The presence of which causes a tendency to change places, travel and adventure. It occurs less frequently - about 20% of people, but it was his presence pushes people to the continuous change of residence and adventurous journey.

3. Car driving

Driving a car does not seem such a daunting task. You just need to learn a certain set of rules used to the controls and a little practice. But why do some people did not manage to master this simple science? Genetics as a response to this question leads study which showed special chain genes directly affects memory, spatial orientation and reaction rate. Carriers of these genes and their on the Earth about 30%, do not get behind the wheel.

4. Predisposition to bad habits

Drug addiction, alcoholism, smoking - is not only a social problem but also health. People instantly fall into dependence on addictions have genetic predisposition to them. For example, the likelihood that people will start smoking, 75% is dictated by its genetic characteristics.

5. musical tastes

In 2009, Nokia conducted a large study of the influence of heredity in the formation of our musical tastes. Within its framework, it surveyed more than 4000 pairs of twins. It turned out, the younger the person, the greater the influence on his musical taste has genetics. As they get older, this dependence is weakened, and about by 50 years of major importance acquires the environment.

6. The choice of partner

It's sad, but even in this romantic and sublime reality, as a love relationship, the first violin genetics plays. When choosing a permanent sex partner of major importance has no eye color, volume waist and common interests, and a family of genes called MHC (major histocompatibility complex). Experiments have shown that women try to choose partners with MHC, different from their own, as this gives more chances for the appearance of healthy offspring. How do they do it?

7. phobias

It is believed that phobias develop as a result of negative life experiences that can lead to irrational fear of various phenomena or objects. However, according to the study, conducted at Emory University School of Medicine, phobias can be transmitted from generation to generation. Scientists using punches current instilled mice fear of cherries. Progeny of these mice from birth feared cherries, which supports the transmission of hereditary phobia way. However, it is one of the survival skills inherent in us by nature, so there is nothing surprising here.

What do you think is more important for the formation of the human person - inherited traits and environmental influences? And is it possible to fix the proper education of birth defects?