An individual with 44+XO karyotype is suffering from which of the following disorder?
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → Turner's Syndrome
Option (2) Turner's Syndrome — Correct. Turner’s syndrome is caused by the absence of one X chromosome: 44 + XO, a total of 45. Such females are sterile, as the ovaries are rudimentary, and lack the other secondary sexual characters.
NCERT Extract:
Chromosomal Disorders – “… Turner’s Syndrome : Such a disorder is caused due to the absence of one of the X chromosomes, i.e., 45 with X0, Such females are sterile as ovaries are rudimentary besides other features including lack of other secondary sexual characters (Figure 4.17 b).”
