Ask Question
5 February, 07:09

19 Down syndrome is a genetic disorder caused by the

presence of an extra chromosome in the body cells of

humans. This extra chromosome occurs in a gamete as a

result of

(1) an error in the process of cloning

(2) an error in meiotic cell division

(3) a gene mutation

(4) replication of a single chromosome during mitosis

+4
Answers (1)
  1. 5 February, 10:02
    0
    I think it's number 2
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “19 Down syndrome is a genetic disorder caused by the presence of an extra chromosome in the body cells of humans. This extra chromosome ...” in 📘 Biology if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers