If a child has three copies of the 21st chromosome instead of two ...

[schs14]

If a child has three copies of the 21st chromosome instead of two copies, that child will be born with
 
  A) Turner's syndrome.
  B) Down syndrome.
  C) mitochondrial syndrome.
  D) Bowlby's syndrome.

Question 2

Some chromosomal abnormalities are the result of errors during the process of
 
  A) meiosis.
  B) mitosis.
  C) habituation.
  D) genetic determinism.

[otokexnaru]

Answer to Question 1

B

Answer to Question 2

A