Match the Symptoms to the Problem

question 101

Multiple Choice

Match the symptoms to the problem.
-sensorineural hearing loss

• A)damage to the cerebral cortex
• B)degeneration of hair cells
• C)ringing in the ears
• D)dizziness and nausea
• E)problems with structures of the middle ear

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Definitions:

Phenotypic Variation

The observable differences in appearance, function, and behavior among individuals of the same species due to genetic and environmental factors.

Monohybrid Cross

Cross between two individuals identically heterozygous for one gene; for example Aa × Aa.

Purebred

An animal bred from parents of the same breed or variety, maintaining specific desired traits over many generations.

Genotype

The particular set of alleles that is carried by an individual’s chromosomes.