Very Few Chromosome Abnormalities (Trisomies and Monosomies)are Observed in the Human

Multiple Choice

Very few chromosome abnormalities (trisomies and monosomies) are observed in the human population because

A) they are usually lethal and often cause spontaneous abortion of the embryo.
B) they are lethal in early childhood.
C) meiosis distributes chromosomes to daughter cells with great precision.
D) individuals with these abnormalities are hard to distinguish from the general population.
E) the human meiotic spindle is self-correcting.