A Researcher Discovers a Gene That When Knocked Out Causes

question 8

Multiple Choice

A researcher discovers a gene that when knocked out causes the most common form of cleft lip seen in humans.Examination of the expression of this gene in embryos shows that it is expressed in the facial prominences that flank the area of cleft lip formation.What are these flanking prominences?

• A) Maxillary and mandibular on one side
• B) Maxillary and medial nasal on one side
• C) Right and left lateral nasal
• D) Right and left maxillary
• E) Right and left medial nasal

---

Definitions:

Argument Form

The structure or pattern of reasoning used in making a logical argument.

Appeal to Pity

A logical fallacy that attempts to win an argument by exploiting the opponent's feelings of pity or guilt rather than by logic or reason.

Disagreement

A situation where two or more parties hold differing views, opinions, or positions on a particular issue or topic.

Debate

A formal discussion on a particular topic in a public meeting or legislative assembly, in which opposing arguments are put forward.