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It depends on what you mean by getting worse. It can come with physical delays and intellectual disability. The average IQ of a young adult with Down syndrome is 50, about the same mental age of an 8- or 9-year-old child, but this varies.It may take children with Down syndrome longer than other children to reach milestones, but they will eventually meet many of these. Children with Down syndrome are at an increased risk for certain health problems. However, each individual with Down syndrome is different, and not every person will have serious health problems. Many of these can be treated.They do have a shorter life span than other people. In 1910, a baby born with Down syndrome often didn't live to age 10. Today, someone with Down syndrome can expect to live to age 60+, depending on the how severe the health problems are.
He wanted to determine if traits affected each other, and concluded (based on his observations) that they did not. + To find out if traits could affect the inheritance of other traits. to determine if traits affected each other
To determine if traits affected each other
Chromosomes are the special coding inside cells that cause the characteristics in both people and animals. They carry the information that make each individual unique. Damaged chromosomes can lead to certain problems, such as Down Syndrome and some types of leukemia.
He wanted to determine if traits affected each other, and concluded (based on his observations) that they did not. + To find out if traits could affect the inheritance of other traits. to determine if traits affected each other
Andersen's syndrome is usually inherited in an autosomal dominant fashion. This means that EACH child of a person with Andersen's syndrome will have a 50% chance of inheriting the gene associated with the syndrome. However, not all people who inherit the gene will show symptoms of the syndrome. Children of people affected with Andersen's syndrome should be evaluated by a qualified physician to determine risk.
Klinefelter syndrome can result from errors in cell division of sperm or egg cells. With this syndrome, each of the cells of the person affected will have an extra X chromosome.
Marfan syndrome is an autosomal dominant disorder. An affected person has a 50% chance of passing it on to each offspring, regardless of gender.
At its height, the epidemic affected 15,000 people in the United States each year between 1980 and 1984; 15% of the women died.
Nationally, there are currently approximately 400,000 people with Down syndrome. Unfortunately, though, there is no breakdown on numbers for each state of those with Down syndrome.
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50 people are affected each fricken year 50 people are affected each fricken year
Lawyers
Too many
Millions of people around the world.
6%
About 30,000 people die each year because obesity