Thus, the correct answer is option C i.
When it does run in families, it can have different inheritance patterns.
Instead, they were separated into seven groups A to G , based on their length and centromere position.
Other physical changes associated with Klinefelter syndrome are usually subtle.
Girls with trisomy X are also at increased risk for speech—language and motor delays, as well as learning disabilities, attention, and executive function problems.
In others, symptoms may be more apparent — possibly including developmental delays and learning disabilities.