Question

which of the following is the correct description of the congenital disorder of the skeleton called achondroplasia? it is caused by hypersecretion of growth hormone before puberty, resulting in a person having excessive growth. it is caused by inadequate production of growth hormone before puberty, resulting in a person having normal proportions, but very short stature. an abnormal gene causes excessive cartilage formation at the epiphyseal cartilages; this results in the person having extremely long and slender limbs. another characteristic of this disorder is arterial wall weakness. due to unusually slow growth of the epiphyseal cartilages in a child, affected adults have short, stocky limbs and abnormal proportions. most cases result from spontaneous mutation. i dont know yet

Explanation:

Achondroplasia is a genetic disorder where slow growth of epiphyseal cartilages leads to short - stocky limbs and abnormal body proportions in adults. It often results from spontaneous mutation.

Answer:

The fourth option: Due to unusually slow growth of the epiphyseal cartilages in a child, affected adults have short, stocky limbs and abnormal proportions. Most cases result from spontaneous mutation.