One Chromosomal Abnormality That Is Usually Fatal Is

question 33

Multiple Choice

One chromosomal abnormality that is usually fatal is

• A) a mutation in a gene on the chromosome.
• B) the exchange of material between homologous chromosomes.
• C) a change in the number of sex chromosomes.
• D) the addition of an extra autosomal chromosome.

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Definitions:

Validation Rule

A criterion or set of criteria that data must satisfy before it is accepted or processed by a system.

Validation Text

A message that appears when entered data does not adhere to predefined rules or criteria in a form or database.

Access

A database management system from Microsoft that combines the relational Microsoft Jet Database Engine with a graphical user interface and software-development tools.

Validation Rule Expression

A formula or criterion that a data entry must comply with to be accepted by a system or application.