A striped racer, also known as the California whipsnake, is a species of non-venomous snake native to the coast and foothills of California. It is a long, slender, and fast-moving snake, identified by its distinctive stripes running down the length of its body. They primarily feed on lizards and small rodents. The scientific name for this species is Masticophis lateralis.
Down syndrome (trisomy 21)
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Down syndrome is a chromosome disorder caused by an extra chromosome 21 that results in intellectual disability and physical abnormalities.
- Down syndrome is caused by an extra chromosome 21.
- Children with Down syndrome have delayed physical and mental development, specific head and facial features, and are often short.
- Before birth, Down syndrome may be suspected based on ultrasonography or tests on the mother
Down syndrome (trisomy 21) meaning & definition 1 of Down syndrome (trisomy 21).
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