Application of Knowledge

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About DNA

This explained the history of DNA and how it’s discovered. This also contains the scientist who discovered DNA.


Michelle Guo 
8A
12/12/2017
Science
Main Cause of Your Personality And Your Behavior – Genes

Personality is the combination of characteristics or qualities that form an individual’s distinctive character. People always have this question about is it the environment effect your personality and behavior or is it your gene effect your personality and behavior. Now days scientist have already discovered that different personality have a different kind of genes. And also most of the time criminal behavior is caused by the change of personality. And to prove my points I’m going to explain why is 70% of your personality and behavior is shaped by your genes. Genes affects your behavior that often leads to crime, scientist discovered that people have similar behavior have the same kind of genes and they have proved that genes effects your brain and behavior.

According to Molecular Psychiatry, it stated that at least 5-10% of all violent crime in Finland could be attributed to individuals with these genes, MAOA and SDH 13. According to BBC, a group of criminals had total of 1,154 murders, manslaughters, attempted homicides or batteries. They all carried a low-activity version of the MAOA gene, which previous research has dubbed the “warrior gene” because of it’s linked to aggressive behavior. Another type of gene which is called CDH13 (Cadherin 13), it is also linked to criminal behaviors. CDH13 has previously been associated with substance abuse and ADHD (A condition characterized by behavioral and learning disorder). So this discovery have proved that behavior is linked with your gene and gene shaped your behavior.

Scientist discovered that people have similar personality have the similar kind of genes. New researches shows that people have similar personality have the similar or same type of genes. According to Science Of People, people high in extraversion found to carry the gene DRD4. People high in conscientiousness found to have more volume in the middle frontal gyrus in the left lateral pre-frontal cortex. People high in agreeableness have been found to have less volume in the orbitofrontal lobe. People that’s high in neuroticism found to carry long term of the Serotonin Transport Gene. These four personalities have shown that people’s personality is strongly intertwined, and scientist believes that different personality is caused by different type of genes.

Genetics plays a role in the age a person first has sex, age of birth and age of puberty, according to a new study from the Medical Research Council (MRC).The study published in the journal Nature Genetics have identified 38, type of genes that are linked to the age of birth, the age of puberty and the age of first sex. CADM2, a gene that controls brain activity and cell connections has a genetic variant that leads to a more risk-taking personality. The gene, along with ESR1, is also linked to the number of children a woman has. Previous research by the team found that entering puberty at an earlier age was linked to increased long-term risks for diabetes, heart disease and some types of cancer. So according to this, your behavior is caused by your genes so your behavior and what will happen physically, mentally and emotionally is planned out already.

Some says that if a person live in a different environment, his or her personality will change. But it is because of the environment changes it effect the genes so if your gene didn’t change in a different environment your personality will stay the same, so it depends on your gene. You can say that it is related to the environments but you can’t say your personality is shaped by the environments. Because even in different environment people came out with different personality, so the change of your personality is caused by the change of you mentally. And that leads to another point. Due to MRC different genes that control your brain activity can leads to different behaviors, so conclusively, your behavior which is caused by your personality is caused by your genes.

 

Over all gene is the main cause of your personality and your behavior. Still there might be parts of your personality is caused by the environment but 70% – 80% of your personality is caused by your genes. So you can’t deny that your life is planned out while you forming into an organism, because of the four new discoveries. And the four discoveries are genes affects your behavior that often leads to crime, scientist discovered that people have similar behavior have the same kind of genes and they have proved that genes effects your brain and behavior.

1 Comment on Application of Knowledge

  1. 22mg01
    January 10, 2018 at 4:28 am (5 months ago)

    Hi, this is Michelle and you are welcome

    Reply

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