Whereas the content standards will provide the topic of the lesson and what exactly the students should be doing with that topic (e.g., solving problems, creating models, ranking ideas), the English language proficiency or development standards help to identify language skills and functions that students should be working on to achieve academic language fluency.
Tay-Sachs disease is a gangliosidosis characterised by: An exaggerated startle response. Delay in psychomotor development. Hypotonia (followed by spasticity) Visual loss. A macular cherry-red spot. Pathogenesis. Tay-Sachs disease (and its variants) are caused by absence or defects of the alpha subunit of hexosaminidase A.
Tay-Sachs is a disease that is the result of a genetic mutation; it is fatal and affects the central nervous system. It is the result of the HEXA gene, located on chromosome 15; what occurs is that children have the deficiency of the enzyme, Hex X.here are two different kinds of this; infantile tay-sachs disease and late onset of tay-sachs disease. Infantile Tay-Sachs starts to show signs when the infant is around six months old; by age two, most children with this condition have seizures and decreasing mental state.