Question

question 46
bonus
name this syndrome: males that form xxy zygote, becomes evident at puberty b/c male secondary sex characteristics fail to develop but breasts tissue does, tend to be passive.
klinefelters syndrome
down syndrome
huntingtons syndrome
turner syndrome
trisomy 3 syndrome

Explanation:

Klinefelter's syndrome occurs in males with an XXY zygote. Symptoms include failure of male secondary - sex characteristics to fully develop and breast tissue development. Other syndromes listed do not match this description. Turner syndrome affects females (XO), Down syndrome is due to an extra chromosome 21, Huntington's is a genetic neurodegenerative disorder, and trisomy 3 is a different chromosomal disorder.

Answer:

Klinefelter's syndrome