The Birth Order Effect on Intelligence Test Scores Is Likely

question 2

True/False

The birth order effect on intelligence test scores is likely due to genetic factors.

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Definitions:

Hox Gene Clusters

Groups of genes found in many animals that regulate the development of anatomical structures along the body axis from head to tail.

Drosophila

A genus of small flies, commonly known as fruit flies, widely used in genetic research.

Unspecialized Cells

Cells that have not yet differentiated into specific cell types and thus retain the capability to become multiple kinds of cells, also known as stem cells.

Specific Fate

The pre-determined developmental trajectory of a cell or organism, often genetically controlled.