Question

If nondisjunction occurs during meiosis, ______________________________.

(Hint: Nondisjunction is the failure of chromosomes to separate correctly during cell division.)



(1 point)
Responses

some gametes may have an extra copy of some chromosomes.

the gamete cannot join another to form an organism.

only two gametes may form instead of four.

Answer 1

some gametes may have an extra copy of some chromosomes.

Explanation: nondisjunction produces gametes with too many (n+1) or too few (n−1) chromosomes. If such a gamete is fertilized, it can result in aneuploidy (e.g., trisomy 21 → Down syndrome).