Question

Down syndrome can occur a. as a result of translocation during mitosis. b. most frequently in the offspring of women under the age of 40. c. because of nondisjunction, which yields an extra chromosome. d. most frequently in the offspring of men under the age of 40.

Answer 1

answer is c

Step-by-step explanation:

down syndrome is caused by an error in cell division called nondisjunction. nondisjunction results in an an embryo