In Horses,black Coat Color Is Influenced by the Dominant Allele

question 88

Multiple Choice

In horses,black coat color is influenced by the dominant allele (B) ,and chestnut coat color by the recessive allele (b) .Trotting gait is due to a dominant gene (T) ,pacing gait to the recessive allele (t) .Give the phenotype and genotype of the horse you would use in a testcross to determine the genotype of a black trotter.  

• A) Black pacer, BB tt
• B) Black trotter, BB TT
• C) Chestnut trotter, Bb Tt
• D) Chestnut pacer, bb tt
• E) Chestnut pacer, Bb tt

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Definitions:

Marginal Cost Curve

A graphical representation that shows how the cost of producing one additional unit varies as production increases.

Average Cost Curve

A graphical representation showing how the cost per unit of producing goods changes with changes in the volume of goods produced, highlighting economies and diseconomies of scale.

Market Level Supply

The total quantity of a good or service that producers are willing to sell across the entire market at a given price level.

Marginal Costs

The swelling of total charges resulting from generating an extra unit of a good or service.