An Autosomal Dominant Trait Is Characterized by All the Following

question 5

Multiple Choice

An autosomal dominant trait is characterized by all the following except:

• A) The trait is apparent in heterozygotes
• B) The affected heterozygote has a 50% chance of transmitting the gene to each child
• C) The trait is expressed in every generation
• D) The unaffected children of a symptomatic carrier do not transmit the trait
• E) The gene accounting for the trait can be located on any of the 46 chromosomes

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Definitions:

Sensorimotor Stage

The first stage in Piaget's theory of cognitive development, during which infants learn about the world primarily through their senses and motor activities.

Piaget

Jean Piaget was a Swiss psychologist known for his theory of cognitive development that describes how children construct a mental model of the world.

Sight

The sense that allows for the perception of visual stimuli, mediated by the eyes and processed by the brain.

Centration

The cognitive tendency in early childhood to focus on one aspect of a situation while neglecting others.