The Faculty Member Teaching a Class of Students Explains Several

question 22

Multiple Choice

The faculty member teaching a class of students explains several theories regarding the onset of labor.Which of the following does the faculty member include?

• A) Closure of ductus arteriosus
• B) Molding of the fetal head
• C) Placental aging
• D) Pressure on the cervix
• E) Uterine muscle stretching

---

Definitions:

Identical Twins

Twins who develop from a single fertilized egg, sharing the same genetic material.

Polygenic

Referring to a trait that is influenced by multiple genes, often resulting in a continuous range of possible phenotypes.

Skin Colour

Skin colour refers to the pigmentation of an individual's skin which is primarily determined by genetic inheritance and exposure to sunlight.

Phenotypic Similarity

The degree to which two or more organisms resemble each other in their observable characteristics, due to genetic or environmental influences.