If There Is Failure of Migration of the Neural Crest

question 15

Multiple Choice

If there is failure of migration of the neural crest cells to the facial region during prenatal development,_____ can develop in the embryo.

• A) ectodermal dysplasia
• B) fetal alcohol syndrome
• C) Down syndrome
• D) Treacher Collins syndrome

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Definitions:

Carbon Dioxide

A transparent, scentless gas that results from the combustion of carbon and organic materials and through the process of breathing. It exists naturally in the atmosphere and is taken in by plants during the process of photosynthesis.

Lysosomes

Membrane-bound organelles containing digestive enzymes, involved in the breakdown of cellular waste material and foreign substances.

RNA

Ribonucleic acid, a nucleic acid that plays crucial roles in coding, decoding, regulation, and expression of genes.

Enzymatic RNAs

RNA molecules that are capable of catalyzing chemical reactions, playing roles similar to enzymes.