One Example of an Innovation from an Unexpected Source Comes

question 15

Multiple Choice

One example of an innovation from an unexpected source comes from studies of tumor-like plant growths. What information did the study of plant tumors provide that was critical for plant genetic engineering?

• A) understanding the role of plant hormones in growth promotion
• B) knowledge of plant tumor suppressor and proto-oncogenes
• C) learning that metastasis is critical for tumor progression
• D) learning the biosynthetic pathway to β-carotene
• E) discovery of a plasmid that could be modified to introduce genes into plants

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Definitions:

Reflex

An automatic and involuntary response to a specific stimulus without conscious thought.

Sensory Stimulus

Any object or event that is perceived by the senses, producing a response in the sensory organs and nervous system.

Zygote

The initial cell formed when two gamete cells are joined by means of sexual reproduction, marking the beginning of a new organism's development.

Fertilized Egg

A cell that results from the union of a sperm cell with an egg cell, marking the beginning of a new organism's development.