The cause of this infant’s physical characteristics is most likely the result of: a. non-disjunction during meiosis I in the mother b. non-disjunction during meiosis II in the mother c....

The cause of this infant’s physical characteristics is most likely the result of:

a. non-disjunction during meiosis I in the mother

b. non-disjunction during meiosis II in the mother

c. non-disjunction of the zygote sometime during embryogenesis

d. an inherited translocation involving chromosome 21 from the mother