Chromosome number turners syndrome is

Answer: Option B

The chromosome number turners syndrome is XO.
Females inherit one X chromosome from each parent. In females who have Turner syndrome, one copy of the X chromosome is missing, partially missing, or changed.
It is also known as 45, X, or 45, XO is a genetic condition in which a female is partially or completely missing an X chromosome.
Turner syndrome is not usually inherited; rather, it occurs during the formation of the reproductive cells in a parent or early cell division during development.