Loss of a $X$ chromosome in a particular cell during its development results in:

Read the following statements and choose the correct set of statements :
$(a)$ In sickle cell anaemia the mutant haemoglobin molecule undergoes polymerisation under high oxygen tension
$(b)$ Thalassemia is a qualitative problem
$(c)$ Turner's syndrome,Klinefelter's syndrome are common examples of chromosomal disorders.
$(d)$ Haemophilia is a sex-linked recessive disease

$A$ person having $45$ chromosomes where the $Y$ chromosome is absent. Such a condition is known as

Identify the disorder in the child having the following symptoms as shown in the image.

Which of the following disorders is seen in human females only?

In which genetic condition,each cell in the affected person has three sex chromosomes $XXY$?