This Graph Shows the Normal Concentration of Morphogens a and B

question 46

Multiple Choice

This graph shows the normal concentration of morphogens A and B throughout a Drosophila embryo.
If morphogen B is injected into the head end of an embryo, the embryo is likely to develop

• A) normally.
• B) a second tail at the head end
• C) a second head at the tail end.
• D) two heads at the head end.

---

Definitions:

Glomerular Capsule

A cup-shaped structure in the kidney that encases the glomerulus and participates in the filtration process of blood to form urine.

Peritubular

Peritubular relates to the tiny blood vessels surrounding and permeating the tubules in the kidney, playing a key role in the reabsorption process during urine formation.

Glomerular

Relating to or involving the glomeruli, which are small filters in the kidneys involved in the filtration of blood.

Urethritis

Inflammation of the urethra, often caused by infection, leading to pain during urination.