Which Signaling Molecule Patterns the Cranial-Caudal Axis of the Hindbrain

question 28

Multiple Choice

Which signaling molecule patterns the cranial-caudal axis of the hindbrain?

• A) Wnts
• B) Bmps
• C) Hedgehog
• D) Retinoic acid
• E) Fgfs

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Definitions:

Normal Random Variable

A variable that follows a normal distribution, characterized by its mean and standard deviation.

Z-score

A numerical measurement that describes a value's relationship to the mean of a group of values, measured in terms of standard deviations from the mean.

Secretory Phase

A phase in the menstrual cycle where the endometrium thickens and prepares for possible implantation of an embryo.

Uterine Glands

Glands located in the endometrium of the uterus, which secrete substances essential for the sustenance of a pregnancy.