A 22-year-old man complains about his inability to conceive a child. On physical examination, the patient is noted to be tall (6 ft, 5 in) and exhibits gynecomastia and testicular atrophy. Laboratory studies demonstrate increased serum levels of follicle-stimulating hormone. Cytogenetic studies reveal a chromosomal abnormality. What is the most common cause of this patient's chromosomal abnormality?
AChromosomal instability during cell division
BFailure of chromosome separation during gamete formation
CStructural rearrangement of chromosomes
DChromosomal translocation during meiosis
A 23-year-old female with a height of 4 feet has a karyotype as shown in the image below. Which among the following indicates the correct etiology?
ATurner syndrome
BKlinefelter's syndrome
CDown syndrome
DEdward's syndrome
An endocrinologist decided to give a 7 year old boy testosterone therapy and continued it till puberty. This therapy is likely to:
AIncrease adult stature
BCause hypertrophy of penis
CHave no effect on adult stature
DReduce adult stature
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