Autosomal trisomies
A) usually do not cause any abnormalities.
B) cannot occur.
C) never lead to live births.
D) usually lead to miscarriages.
E) are usually due to chromosomal duplications.

Question

Quizplus · Accepted Answer

Autosomal trisomies, where there are three copies of a chromosome instead of the usual two, can lead to various abnormalities and disorders. In most cases, these chromosomal abnormalities result in miscarriages, often occurring in the first trimester of pregnancy. In rare cases where the pregnancy is carried to term, the child may have significant developmental delays and medical issues. Therefore, option D is the best choice.

Autosomal Trisomies