The Inheritance of Three Copies of the Twenty-First Chromosome Results

question 58

Short Answer

The inheritance of three copies of the twenty-first chromosome results in___________. this syndrome usually causes mild IDD and a variety of characteristic physical features.

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Definitions:

Tissue

Groups of similar cells and their extracellular matrix from the same origin that together carry out a specific function.

Neuroglial Cells

Non-neuronal cells in the nervous system that provide support, nourishment, and protection for neurons.

Neuromuscular Junction

A synapse between a motor neuron and a skeletal muscle cell, where electrical signals or impulses are transmitted to initiate muscle contraction.