When Baby Juanita Was Born, She Had Problems with Her

question 82

Multiple Choice

When baby Juanita was born, she had problems with her eyes, ears, and nose.MOST likely, Juanita's problems came from defects in the formation of the:

• A)ectoderm.
• B)endoderm.
• C)mesoderm.
• D)trophoblast.

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Definitions:

Lactose

A sugar composed of glucose and galactose, found in milk and dairy products, which requires the enzyme lactase for digestion.

Gene Amplification

The developmental process in which certain cells produce multiple copies of a gene by selective replication, thus allowing for increased synthesis of the gene product. Compare with nuclear equivalence and genomic rearrangement.

Specific Protein

A particular protein with a unique function or role, often distinguished by its structure and activity within biological processes.

Transcription

The process by which the information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA), initiating protein synthesis.