A cell undergoing meiosis produces a daughter cell, during which one nondisjunction event occurs.

A cell undergoing meiosis produces a daughter cell, during which one nondisjunction event occurs. If the number of chromosomes in a normal diploid cell of this organism (not undergoing cell division) is 38, how many chromosomes are present in this daughter cell?

a. 19

b. 20 

c. 36

d. 37

e. 39

please explain