What is the feature of a metacentric chromosome?

• A
  The centromere is situated at the terminal end.
• B
  The centromere is situated in the middle of the chromosome,forming two equal arms.
• C
  The centromere is situated close to its end,forming one extremely short and one very long arm.
• D
  The centromere is situated slightly away from the middle,resulting in one shorter arm and one longer arm.