Scientists Have Found That Intelligence Is Passed From Mothers

This article may anger a couple of dads, but according to a recent genetic study. we probably inherit our log of intelligence from the female X chromosome.

The X chromosome contains a thousand genes, and great number of them have an impact on perception. Until now, most doctors believed that parents contribute equally to their child’s intelligence.This research has been proven both correct and disputable.

Most studies indicate that genetics is a highly complex and demanding field of research. Despite strong disagreement on the subject, it’s best to approach these studies from an objective perspective. So, it’s helpful to present a couple of key facts about how X and Y chromosomes work. A chromosome is a thread-like formation composed of nucleic acids and protein. They store and transfer genetic information. Every person has one pair of chromosomes in each cell of their body. The females have two X chromosomes, the males have one X and one Y chromosome.

As a rule, the genetic characteristic of gender-specific genes, like humans have, are either activated or deactivated depending upon the specific selection and, later on, the genetic properties being affected.The activated genes will have an impact on the genetic development, while deactivated genes will not. So if a single characteristic is affected via the mother, the fatherly genes are deactivated. At the opposite side, if a single feature is affected via the father, the maternal genes are later deactivated. The structure of these gender-specific genes forms the foundation of intelligence research. Women are apparently more likely to have an impact on cognitive abilities, as women possess two X chromosomes, while men carry just one. There is certainly more to this theory of intelligence genetics than just X chromosomes.

This is where gender-specific genes come in. Intelligence is thought to be a highly-gender-specific gene that comes directly from the mother. Scientists used genetically-modified mice to test this theory through a study. They found that embryonic test subjects, which were administered mainly maternal genetic chromosomes, developed an improperly larger skull and brain while developing a much smaller body.

Subjects treated with larger amounts of paternal genetic material developed a larger body, but a smaller skull and brain. In addition to this, researchers made other significant observations, like identifying six areas of the brain what contain exclusively either maternal or paternal genes.

The theory that mothers have an asymmetrically large  influence on a child’s intelligence is not a new one. In 1984, the University of Cambridge studied both brain development and genomic conditioning. The scientists ultimately concluded that maternal genetics provide more material to brain centers. Similar discoveries are being made to this day. In a particularly informative study, researchers from a government agency which followed a group of 12,686 people aged 14 to 22. Each year, researchers interviewed the subjects and monitored how their intelligence developed, taking into account their educational and ethnic backgrounds. They categorically concluded that a mother’s IQ the best indicator of high intelligence.

It’s certain that this theory won’t be widely accepted by everyone, even if it’s unquestionably proven. There is however one certain fact that can be deduced from all this, and that is that mothers have a significant influence on their children’s cognitive capacity. And it’s not just because of genetics, either. Nutrition and nurture influence a child’s intellectual development constantly throughout life.
Even more so, the special bond between a mother and child provides motivation for them to explore the world and solve problems together. Women play a much larger part in the child’s intellectual development,than genetics studies give them credit. All signs show that our mothers give us brainpower.Thanks, Mom!…

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Obese dads up autism risk in kids

A new study has found that obese fathers up risk of autism in their offsprings more than obese mothers.

Dr. Pal Suren from the Norwegian Institute of Public Health, who is the first researcher to study the role of paternal obesity in autism, and his fellow researchers used data from the Norwegian Mother and Child Cohort Study (MoBa). The researchers studied questionnaire data from over 90,000 Norwegian children at three, five and seven years of age. The mothers had answered detailed questions about their own mental and physical health, and about their children. The fathers completed a questionnaire about their mental and physical health while their partner was pregnant. The researchers also collected data from the Norwegian Patient Registry and from studies of children who were referred for evaluation and treatment of possible autism or Asperger's syndrome. By the end of the follow-up period, the children were aged 4 to 13 years. The findings showed that 419 children, approximately 0.45 per cent of the sample, had an autism spectrum diagnosis (ASD). This is slightly lower than in the general population (0.8 per cent) because it is difficult to diagnose autism among the youngest children. In the sample, 22 percent of the mothers and 43 per cent of the fathers were overweight, with a body mass index (BMI) of between 25 and 30. Approximately 10 per cent of mothers and fathers were obese, with a BMI of 30 or more. The researchers found that maternal obesity had little association with the development of autism in the child. However, they found a doubled risk for development of autism and Asperger's syndrome in the child if the father was obese, compared with a normal weight father.

Suren said that he and his team were very surprised by these findings because we expected that maternal obesity would be the main risk factor for the development of ASD. "It means that we have had too much focus on the mother and too little on the father. This probably reflects the fact that we have given greater focus to conditions in pregnancy, such as the growth environment for the foetus in the womb than both environmental and genetic factors before conception," Suren said. The researchers adjusted for variables that may also be associated with the development of autism in the child. In addition to adjusting for maternal obesity, they considered education, age, smoking, mental disorders, hormone therapy before pregnancy, use of folic acid, maternal diabetes , pre-eclampsia and the baby's weight at birth. The researchers found that the risk remained unchanged when adjusted for sociodemographic and lifestyle factors. Suren said that the findings suggest that there may be a genetic link between obesity in the father and the development of ASD in the child. Researchers are still in the early stages of studying possible links between obesity in the father and the development of ASD in the child.

The study is published in the May issue of Pediatrics journal.

PS- THIS IS ONLY FOR INFORMATION, ALWAYS CONSULT YOU PHYSICIAN BEFORE HAVING ANY PARTICULAR FOOD/ MEDICATION/EXERCISE/OTHER REMEDIES.

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