The DNA of a child with Down Syndrome is analyzed It is

Last updated: 6/29/2023

The DNA of a child with Down Syndrome is analyzed It is found that of the three Chromosome 21 structures in the karyotype two are genetically identical and match the maternal DNA Select all of the following that are true of this scenario The karyotype of the child would be considered a monosomy because there is one extra chromosome The egg had two of Chromosome 21 The sperm did not have any copies of Chromosome 21 Nondisjunction occurred during Meiosis II Nondisjunction occurred during Meiosis I