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Genetic anomalies where the normal compliment of chromosomes is either more or less than the expected value. In humans the most common trisomy occurs with chromosome 21 and results in Down Syndrome. Very few instances of fewer than a 2N chromosome count result in viable offspring although a child with a single X (sex chromosome) can reach term.
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Mental retardation caused by what disorders is often apparent from infancy?
If retardation is caused by chromosomal or other genetic disorders, it is often apparent from infancy.
What is the cause of chromosomal?
Chromosomal disorders are caused by abnormalities in the chromosomes.
What is the causes of chromosomal disorder?
Chromosomal disorders are caused by abnormalities in the chromosomes.
The genetic code is carried by the molecule in most organisms. chromosomal DNA guanine hereditary?
The genetic code is carried by the molecule in most organisms. chromosomal DNA guanine hereditary?
What has the author Jack H Jung written?
Jack H. Jung has written: 'Genetic syndromes in communication disorders' -- subject(s): Genetic disorders, Genetics, Genetic aspects, Communicative disorders, Inborn Genetic Diseases, Communication Disorders
Genetic mutation caused by the loss of a chromosomal segment?
Deletion
Name two genetic disorders?
Two genetic disorders are Turner's syndrome and cystic fibrosis.
What is the deoxyribonucleic acid or the genetic material usually called?
Chromosomal Dna.
Is huntingtons a chromosomal or a genetic disease?
Hungtington's disease is a dominant mutation in the gene that codes for the protein 'Huntington' It only affects a single gene, the remainder of the chromosome is unaffected and therefore it is not a chromosomal abnormality
Most serious problem associated with the inversion of genetic material?
Chromosomal defects in offspring. Because no genetic material is lost with inversion of genetic material, individuals often have no obvious physical effects. The major risk with the inversion of genetic material is that offspring of these individuals may have more severe chromosomal abnormalities.
Genetic disorders are caused by?
Genetic Disorders are caused By a change in a person's DNA. Recessive alleles is the most human genetic disorder.
Are there genetic tests for genetic disorders?
There are many but in cases there are none.
