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Its a mutation in that there are 3 copies of chromosome 21.
It is said to be the most common human genetic abnormality (about one per 1000 births).
It usually happens spontaneously (both parents normal),
but it will result in 50% of children of parents with Down's (rare, they have low fertility).
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What are the causes of heredity diseases?
The causes of a hereditary disease is a missing chromosome, and extra chromosome. Like in Down Syndrome there is an extra chromosome 26.
What condition results when a child is born with an extra chromosome on the third pair?
Down syndrome
What is different between typical brain wave and Down syndrome brain wave?
A down syndrome brainwave is not as strong, because people with down syndrome are missing there 21st chromosome.
What is the passage of genetic information from one generation to another is called?
The passing down of traits from one generation to the next is called heredity. This happens through a long line of family members.
What is it called when parents pass on their traits from one generation to another?
heredity, its all in the genes.HeredityHeredity
Is Asperger's Syndrome a heredity?
Yes
Is fragile-x-syndrome due to heredity or is it a mutation?
mutation
What is the passing down of traits from parents to offspring?
Heredity
What term is defined as passing down personality traits From parents?
heredity- A+
What are the causes of heredity diseases?
The causes of a hereditary disease is a missing chromosome, and extra chromosome. Like in Down Syndrome there is an extra chromosome 26.
What is the genetic disorder for having three 21 chromosomes?
down syndrome
What are the definitions of genetic and heredity?
Heredity explained is the features that have been genetically passed down or transmitted from the offsprings parents to the offspring. Heredity is the continuance of characteristic that have been passed down from one generation to another. The study of heredity is called genetics.
What is a chromosomal disorder that could result from nondisjunction?
Disorders, such as Down's Syndrome, are caused by nondisjunction.
What condition results when a child is born with an extra chromosome on the third pair?
Down syndrome
What is the correct spelling 'Down syndrome' or 'Down's syndrome'?
Down syndrome is generally the preferred spelling, although Down's syndrome is sometimes used in American sources.
Is down's syndrome inherited?
Most cases of down syndrome are not inherited. Translocation Down syndrome can be inherited.
Where is down syndrome on your body?
Down Syndrome Is In Your Brain.
