The true statements are: 1, 3, 4, 5, and 6
Answer:
A. aneuploidy; trisomic
Explanation:
Aneuploidy means having more numbers of chromosomes than usual while polyploidy means having an abnormal number of chromosome sets. Down syndrome is a trisomy on chromosome 21 meaning there are 3 chromosomes for chromosome set 21.
Oxygen enters the blood in the A. Bronchi.
