In Humans, a Widow's Peak Is Caused by a Dominant

question 143

Multiple Choice

In humans, a widow's peak is caused by a dominant allele W, and a continuous hairline is caused by a recessive allele w. Short fingers are caused by a dominant allele S, and long fingers are caused by a recessive allele s. Suppose a woman with a continuous hairline and short fingers and a man with a widow's peak and long fingers have three children. One child has short fingers and a widow's peak, one has long fingers and a widow's peak, and one has long fingers and a continuous hairline. What are the genotypes of the parents?

• A) Female wwSS; male WWss
• B) Female wwSs; male Wwss
• C) Female wwSs; male WWss
• D) Female WwSs; male WwSs
• E) None of the above

Understand the principles and mechanisms of evolution and domestication.

Identify the origins and modifications of domesticated plant species through human intervention.

Comprehend the structure and function of plant tissues, focusing on bark.

Understand the significance and mechanisms of gene modification in improving plant stress responses and agricultural efficiency.

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Definitions:

Excess Capacity

The condition where a business produces less than the maximum amount possible, often leading to inefficiency.

Average Total Cost

The total cost of production divided by the quantity produced, taking into account both fixed and variable costs.

Excess Capacity

The situation where a company is producing less than its full potential output due to lack of demand or other constraints.

Efficient Scale

The level of production at which a firm achieves the lowest average total cost, with economies of scale fully exploited.