A Linkage Group

question 53

Multiple Choice

A linkage group:

• A)involves on or more genes found on different chromosomes.
• B)is when two genes interact with each other to form a phenotype.
• C)is formed between one or more genes residing close together on a chromosome.
• D)involves genetic recombination of greater than 50% among two genes.
• E)is when one gene effects the expression of another gene.

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Definitions:

Head Injury

Physical trauma to the head, which can affect the brain and lead to temporary or permanent damage.

Cerebral Cortex

The outer layer of the brain that is involved in high-level functions such as sensation, voluntary muscle movement, thought, reasoning, and memory.

Thalamus

A large, dual-lobed structure in the brain that acts as a relay station, conveying sensory and motor signals to the cerebral cortex.

Smell

A sense that enables the perception of odors, essential for taste and often involved in memory.