Sometimes Scientists Get Lucky

question 225

Multiple Choice

Sometimes scientists get lucky.Consider Mendel's dihybrid cross shown in the figure. Peas have a haploid number of seven chromosomes, so many of their genes are linked.What would Mendel's results have been if the genes for seed color and seed shape were linked with a map distance of 14 units?

• A) 14% recombinant, approximately 7% round green and 7% wrinkled yellow
• B) 14% recombinant, approximately 7% round yellow and 7% wrinkled green
• C) 50% recombinant, approximately 25% round yellow and 25% wrinkled green
• D) 90% recombinant, approximately 45% round green and 45% wrinkled yellow
• E) 90% recombinant, approximately 45% round yellow and 45% wrinkled green

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Definitions:

Economic Profit

The difference between total revenues earned from production and the total opportunity costs of all inputs used in production.

Long Run

A period of time in economics during which all factors of production and costs are variable, allowing for full industry adjustment to changes in market conditions.

Losses

Losses refer to the amount by which expenses exceed revenues in a particular period, indicating a negative financial performance for a business.

Constant-cost Industry

An industry in which the costs of production, including the prices of raw materials and wages, do not change as the industry's output changes.