Mutations of Regulatory Elements of Developmental Genes May Have Either

question 6

Multiple Choice

Mutations of regulatory elements of developmental genes may have either dominant or recessive effects. If a mutation results in a silencer element that negatively regulates, which do you expect?

• A)a recessive effect in which cis elements are up-regulated
• B)a recessive effect in which cis elements are down-regulated
• C)a dominant effect in which the silencer down-regulates gene activity
• D)a dominant effect in which gene activity is up-regulated
• E)a dominant effect in which the silencer is trans-activating

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Definitions:

Monopolistically Competitive

A market structure where many firms sell products that are similar but not identical, allowing for a degree of market power and product differentiation.

Nash Equilibrium

A concept in game theory where no participant can gain by unilaterally changing strategies if the strategies of the others remain unchanged.

Monopoly Output

The quantity of goods or services produced by a monopoly, which is determined at the point where the monopoly's marginal cost meets the market demand curve.

Duopolist

One of two firms in a market where only two firms offer a particular product or service, leading to a specific form of competition.