. Human geneticists interested in the effects of abnormalities in chromosome number often karyotype tissue obtained from spontaneous abortions. About 35% of these samples show autosomal trisomies, but...

. Human geneticists interested in the effects of abnormalities in chromosome number often karyotype
tissue obtained from spontaneous abortions. About
35% of these samples show autosomal trisomies,
but only about 3% of the samples display autosomal
monosomies. Based on the kinds of errors that can
give rise to aneuploidy, would you expect that the
frequencies of autosomal trisomy and autosomal
monosomy should be more equal? Why or why not?
If you think the frequencies should be more equal,
how can you explain the large excess of trisomies
as opposed to monosomies?