Which Types of Phenotypic Ratios Are Likely to Occur in Crosses

question 52

Multiple Choice

Which types of phenotypic ratios are likely to occur in crosses when dealing with a single gene pair for which all the genotypic combinations are of equal viability?

• A) 9:3:3:1, 27:9:9:9:3:3:3:1
• B) 1:2:1, 3:1
• C) 1:4:6:4:1, 1:1:1:1
• D) 12:3:1, 9:7
• E) 2:3, 1:2

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Definitions:

Producer Surplus

The difference between what producers are willing to accept for a good or service versus what they actually receive, often seen as a measure of producer welfare.

Supply Shift

A movement of the supply curve to the left or right, indicating a change in the quantity supplied at each price, usually in response to a change in determinants other than price.

Total Surplus

The sum of consumer and producer surplus, representing the total net benefit to society from the production and consumption of goods or services.

Consumer Surplus

The discrepancy between the total price consumers are ready to pay for a good or service and what they actually pay for it.