Which of the Following Statements Supports the One Gene-One Enzyme

question 42

Multiple Choice

Which of the following statements supports the one gene-one enzyme hypothesis?

• A) A mutation in a single gene can result in a defective protein.
• B) Alkaptonuria results when individuals lack multiple enzymes involved in the catalysis of homogentisic acid.
• C) Sickle-cell anemia results in normal hemoglobin.
• D) Multiple antibody genes can code for different related proteins, depending on the splicing that takes place post-transcriptionally.

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Definitions:

Umbilical Cord

A tube-like structure that connects an unborn baby to the placenta, providing oxygen and nutrients while removing waste products.

Diethylstilbestrol

A synthetic estrogen previously prescribed to prevent miscarriages and pregnancy complications, later found to cause health issues.

Teratogens

Agents that can cause congenital abnormalities or increase the incidence of an anomaly in a fetus when a mother is exposed during pregnancy.

Blastocyst

An early stage of embryonic development characterized by a fluid-filled sphere made up of 50-150 cells, occurring before implantation into the uterine lining.