0
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).
What else can I help you with?
What are the causes of heredity diseases?
Heredity diseases are caused by inherited genetic mutations passed down from parents to their offspring. These mutations can affect the structure or function of proteins in the body, leading to various health conditions. Factors such as environmental influences and lifestyle choices can also impact the severity or expression of heredity diseases.
What condition results when a child is born with an extra chromosome on the third pair?
Down syndrome
What is a sentence using the word heredity?
"Jennifer's heredity caused her to inherit blue eyes and freckles from her parents."
What are three sentences with the word heredity in them?
Heredity plays a significant role in determining physical traits passed down from parents to offspring. The study of heredity, or genetics, explores how traits are inherited and expressed in individuals. Understanding heredity helps explain similarities and differences among family members and across generations.
Is Down syndrome considered a neurological disorder?
Yes, Down syndrome is considered a genetic disorder that affects the neurological development of individuals.
Is Asperger's Syndrome a heredity?
Yes
Is fragile-x-syndrome due to heredity or is it a mutation?
mutation
What term is defined as passing down personality traits From parents?
heredity- A+
What is the genetic disorder for having three 21 chromosomes?
down syndrome
What is a chromosomal disorder that could result from nondisjunction?
Disorders, such as Down's Syndrome, are caused by nondisjunction.
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.
What are diagnosis for down syndrome?
Down syndrome IS the diagnosis.
Where is down syndrome on your body?
Down Syndrome Is In Your Brain.
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.
How preventable is down syndrome in the community?
how is down syndrome preventable?
Can be cured form down syndrome?
No, Down Syndrome is permanent.
