Type I Diabetes Mellitus Is Caused by

question 9

Multiple Choice

Type I diabetes mellitus is caused by

• A)a severe hypersecretion of ADH.
• B)a reduction of the insulin receptors on target cells.
• C)a reduction of ADH receptors on the target cells.
• D)a severe hyposecretion of ADH.
• E)the hyposecretion of insulin due to destruction of the beta cells.

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Definitions:

Gene Effect

The influence that a gene has on the phenotype or traits of an organism, including physical characteristics and behaviors.

Codominant

In genetics, a condition where two different alleles for a genetic trait are expressed simultaneously without one being recessive to the other.

Incomplete Dominance

A genetic phenomenon where the phenotype of a heterozygote is intermediate between the phenotypes of the two homozygotes.

Recessive

A genetic trait that is expressed only when two copies of the gene carrying the trait are present, as opposed to a dominant trait where only one copy is necessary.