In Snapdragons, a Cross Between a Red-Flowered Plant and a White-Flowered

question 53

Multiple Choice

In snapdragons, a cross between a red-flowered plant and a white-flowered plant produces a plant with pink flowers.What offspring would you expect from a cross between two pink-flowered plants?

• A)All pink
• B)1/2 pink and 1/2 white
• C)1/2 pink and 1/2 red
• D)1/4 red, 1/2 pink, 1/4 white
• E)1/4 pink, 1/2 red, 1/4 white

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Definitions:

Methyl Bromide

A toxic gas used as a pesticide and for fumigation, known to deplete the ozone layer and hazardous to human health.

PCBs

Polychlorinated biphenyls, a group of toxic chemical compounds known for environmental persistence and health hazards.

Emissions Trading

A market-based approach to controlling pollution by providing economic incentives for achieving reductions in the emissions of pollutants.

Kyoto Protocol

An international treaty that commits its parties to reduce greenhouse gas emissions, based on the scientific consensus that global warming is occurring and that human-made CO2 emissions are driving it.