When Transforming an Extended E-R Model into a Relational Database

question 7

True/False

When transforming an extended E-R model into a relational database design,recursive relationships are treated fundamentally the same as other HAS-A relationships.

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Definitions:

Recessive Trait

A genetic trait that is expressed in offspring only when inherited from both parents, masked by the presence of a dominant trait in a heterozygote.

Genotype

The genetic makeup of an organism, including all of its genes, as opposed to its physical appearance or phenotype.

Tay-Sachs Disease

A genetic disorder characterized by the absence of an enzyme that helps break down fatty substances in the brain, leading to severe neurological impairment and early death.

Autosomal Recessive Disorder

An autosomal recessive disorder is a genetic condition that occurs only when an individual inherits two copies of an abnormal gene, one from each parent.