Handedness Is Believed to Be Influenced by All of the Following

question 198

Multiple Choice

Handedness is believed to be influenced by all of the following except

• A) influences the school environment
• B) cultural forces.
• C) genetics.
• D) a general "right-ward bias."

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Definitions:

Chromosomes

Thread-like structures located in the nucleus of cells that carry genetic information in the form of genes.

Checkpoint Genes

Checkpoint genes are parts of the cellular machinery that regulate the cell cycle's critical checkpoints to ensure accurate DNA replication and division.

BRCA1

A gene located on chromosome 17, playing a critical role in the repair of DNA breaks; mutations can significantly increase the risk of breast and ovarian cancer.

BRCA2

A gene located on chromosome 13 that produces a protein involved in DNA repair and plays a key role in maintaining the genetic stability of cells.