Alleles for a particular phenotype determine what characteristic an organism will express, as with the following example where. 1  Chromosome 1 contains an allele for blonde hair. 2  Chromosome 2 contains an allele for brown hair. 3  Chromosome 3 contains an allele for blue eyes. 4  Chromosome 4 contains an allele for brown eyes.
Because of the patient's smoking history and abnormal chest radiograph, a neoplasm was initially suspected as a cause of SIADH. The head trauma was too remote to be of concern. Although 1 case of risperidone-associated hyponatremia has been reported, the risk seems low with this agent and with olanzapine.
Risperdal belongs to a group of medications called atypical (or second-generation) antipsychotic medications. It is not entirely known how the drug works for the treatment of schizophrenia or bipolar disorder.ome of the more common side effects seen with Risperdal include insomnia, anxiety, and an increased appetite. Risperdal Â® (risperidone) is a prescription medication that is used to treat the following conditions: