An Extra Chromosome on the 21st Pair Would Cause Which

question 156

Multiple Choice

An extra chromosome on the 21st pair would cause which of the following?

• A)Monozygotic twins
• B)Down syndrome
• C)DZ twins
• D)Nothing out of the ordinary to happen

---

Definitions:

Superior Mesenteric Artery

A major artery of the abdomen that supplies blood to a large portion of the small intestine and part of the large intestine.

Femoral Artery

A large artery in the thigh that supplies blood to the lower limb.

Popliteal Artery

The continuation of the femoral artery behind the knee, it supplies blood to the knee joint and surrounding muscles.

Anterior Tibial Artery

A major blood vessel in the lower leg that supplies blood to the anterior compartment of the leg and dorsum of the foot.