Trisomy 8 usually leads to early miscarriage of a fetus. However, adult individuals have been found with cells that have three copies of chromosome 8 in them. How can this be?
A. The trisomic 8 adults likely have a mosaic region with trisomy 8
B. The trisomic cells underwent complete nondisjunction.
C. The trisomic cells underwent a meiotic nondisjunction.
D. This individual must be triploid.
A
Biology & Microbiology
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