Having Polydactyly (Extra Digits on Hands and Feet) Is a Dominant

question 60

Multiple Choice

Having polydactyly (extra digits on hands and feet) is a dominant trait. A man has polydactyly. His wife and oldest daughter do not have polydactyly. The couple's second child has polydactyly. What is the probability that their next (third) child will have extra digits?

• A) 1/2
• B) 1/16
• C) 1/8
• D) 3/4

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Definitions:

Carbon Taxes

Economic policies designed to reduce carbon emissions by taxing companies or individuals based on their greenhouse gas emissions.

Social Cost

The total cost to society, including both the private costs incurred by firms and also any additional costs to others.

Carbon Emissions

The release of carbon dioxide into the atmosphere, primarily from burning fossil fuels, contributing to global climate change.

Pollution Reduction

The process of decreasing the amount of pollutants released into the environment by implementing cleaner practices or technologies.