The most common reason for fertilized eggs to spontaneously abort shortly after conception is
A) abnormal autosomal chromosomes.
B) abnormal sex chromosomes.
C) environmental teratogens.
D) maternal disease.

Question

Quizplus · Accepted Answer

Abnormal autosomal chromosomes, such as trisomy, can prevent proper development of the embryo and result in spontaneous abortion. Sex chromosome abnormalities are less common and typically result in milder developmental issues. Environmental teratogens and maternal disease can also impact development, but are less common causes of spontaneous abortion than chromosomal abnormalities.

The Most Common Reason for Fertilized Eggs to Spontaneously Abort