Five-year-old Daniel's older brother, Marcus, has just been diagnosed with autism. From a family model perspective, identify the possible subsystems in Daniel's family and how his brother's diagnosis might affect these subsystems

What will be an ideal response?

• Subsytems: Daniel and his brother, Daniel's mother and father, Daniel and his mother, Daniel and his father, Marcus and his mother, Marcus and his father, extended family, etc.
• Relationships and behaviors within each subsystem can be affected: parenting styles, parental control, marital satisfaction, contact with extended family members, etc.