Which of the Following Are Properties of Relations

question 67

Multiple Choice

Which of the following are properties of relations?

• A) Each attribute has a unique name.
• B) No two rows in a relation are identical.
• C) There are no multivalued attributes in a relation.
• D) All of the above.

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Definitions:

Genotype

The genetic makeup of an organism, consisting of all the DNA and genes that dictate inherited characteristics.

Dominant Gene

A gene that expresses its phenotype even in the presence of its recessive form, thus determining the characteristic it controls.

Phenylketonuria (PKU)

A genetic disorder characterized by the body's inability to metabolize the amino acid phenylalanine, leading to brain and nerve damage if untreated.

Genotype

The genetic constitution of an individual organism, often distinguished by the specific combination of alleles.