Question

Which of the following is caused by nondisjunction?
A. Albinism
B. Down's syndrome
C. Huntington's disease
D. Tay-Sachs disease

Answer 1

any guesses ?

Answer 2

Albinism is caused by a recessive allele, so its not disjunction

Answer 3

mmm A

Answer 4

No, i just said its not a non-disjunction

Answer 5

Non-disjunction means when a replicated chromosome fails to get separated.

Answer 6

This causes polyploidy (more than 2 sets of a single chromosome).

Answer 7

now in Down's syndrome, trisomy (3 sets of a single chromosome)on chromosome no 21 occurs.

Answer 8

@turtlederp034