Mutation of the Gene for Lysyl Hydroxylase in the Kyphoscoliosis

question 4

Multiple Choice

Mutation of the gene for lysyl hydroxylase in the kyphoscoliosis type Ehlers-Danlos syndrome (ED type VI) causes weakness of bones and cutis laxa because of abnormal collagen

• A) synthesis
• B) secretion
• C) cross-linking
• D) degradation
• E) resorption

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Definitions:

Homology

The existence of shared ancestry between a pair of structures, or genes, in different species.

Reversal

The act of changing direction, position, or an earlier decision, often used in various contexts including behavior, decision-making, and physical movements.

Linnaean Categories

Hierarchical levels of classification in biology developed by Carl Linnaeus, including kingdom, phylum, class, order, family, genus, and species.

Hierarchical

Describing a system or organization in which people or groups are ranked one above the other according to status or authority.