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Certain Genes Have Apparently Unusual Inheritance Patterns

question 156

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Certain genes have apparently unusual inheritance patterns. For instance, in the mouse autosomal gene H19, only the copy inherited from the mouse's mother is expressed. Conversely, in the mouse autosomal gene Igf2, only the copy inherited from the mouse's father is expressed. The consequence of this is that imprinted genes are expressed as if they were present in only one copy, even though there are two copies of each of these genes in each cell. What process or processes are responsible for this phenomenon?


Definitions:

Utility Maximizing

The process by which individuals select the mix of goods and services that maximizes their satisfaction or utility, given their budget constraint.

Elastic Demand

A situation where the demand for a product is sensitive to price changes, showing a significant change in quantity demanded when prices fluctuate.

Market Demand Curve

Represents the total quantity of a good or service that all consumers in a market are willing and able to purchase at different prices.

Quantity Demanded

The total amount of a good or service that consumers are willing and able to purchase at a given price point, at a specific time.

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