... syndrome individuals are born with brain abnormalities, which is already a setback for them learning English. Down syndrome is cause by excess of genetic material on chromosome 21. Down syndrome is noticeable after your one years old and the ... find it hard for them to use terms correctly. Phonology is the science of speech sounds. I've heard grown people with a complete range of vocabulary usage continue to pronounce words the way they think sounds right to them. ... Lexicons refer to vocabulary and word meaning. Syntax means learning between dialects may cause differences in beginnin...

• Word Count: 1179
• Approx Pages: 5
• Grade Level: High School

... actually causes Down syndrome. Some professionals believe that hormonal abnormalities, X-rays, viral infections, immunologic problems, or genetic predisposition may be the cause of the improper cell division resulting in Down syndrome. It has been know for some time that the risk of having a child with ... additional chromosome causes an excessive amount of certain proteins to be formed in the cell. The particular proteins involved, and how they act, are not known. Many errors can occur during cell division. In meiosis, the pairs of chromosomes are supposed to split up and go to differen...

• Word Count: 2977
• Approx Pages: 12
• Has Bibliography
• Grade Level: High School

... by an error in cell division. Extra chromosomal material is present at conception either from the father's sperm or the mother's egg. Most errors are maternal and less than 5% are paternal. It is also believed to be related to the age of the mother although 80% of ... a Pediatric Cardiologist shortly after birth. As the child gets older more health concerns arise. Frequent ear infections and persistent fluid in the ear cause difficulties with hearing. Hearing tests are recommended starting at 6 months. Lazy eye and other vision problems are also common. Seven out of ... bite and/or a cros...

• Word Count: 2732
• Approx Pages: 11
• Has Bibliography
• Grade Level: High School