Transplanting Embryonic Eye Tissue into the Back of a Developing

question 33

Multiple Choice

Transplanting embryonic eye tissue into the back of a developing tadpole will cause a lens to grow on the back of the tadpole. This is an example of

• A) metamorphosis.
• B) programmed cell death.
• C) cleavage.
• D) gastrulation.
• E) induction.

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Definitions:

Umbilical Cord

A flexible cord-like structure connecting a fetus to the placenta, supplying oxygen and nutrients while removing waste.

Placenta

An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to and removing waste from the fetus through the umbilical cord.

Blood

A vital fluid in humans and animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away.

Placenta

An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to growing babies while removing waste products from the baby’s blood.