The disorder that has 49 chromosomes is 49,XXXXY syndrome.
Understanding 49,XXXXY Syndrome
What it is
- 49,XXXXY syndrome is a rare chromosomal disorder.
- It occurs when a male individual has a single Y chromosome and four copies of the X chromosome.
- This results in a total of 49 chromosomes in each cell, rather than the typical 46.
Key Characteristics
- Extra Genes: People with 49,XXXXY syndrome have multiple extra copies of genes found on the X chromosome.
- Physical Traits: Individuals with this syndrome can exhibit a variety of physical characteristics including:
- Skeletal abnormalities
- Heart defects
- Small testes
- Developmental Delays: They often experience developmental delays, such as:
- Intellectual disabilities
- Speech delays
Reference Information:
According to the provided reference, individuals with 49,XXXXY syndrome have four copies of the X chromosome and one Y chromosome resulting in a total of 49 chromosomes per cell. The presence of these extra X chromosomes leads to individuals having extra copies of multiple genes on the X chromosome.
