A Mutation Is Found in C

question 176

Multiple Choice

A mutation is found in C. elegans that causes the organism to have no vulval opening cells or any vulval supporting cells. What could this mutation be?

• A)one that blocks the Notch receptor on progenitor cells
• B)one that blocks expression of the Notch ligand in progenitor cells
• C)one that blocks expression of the EGF receptor in anchor cells
• D)one that results in constitutive expression of Notch ligand in progenitor cells
• E)one that results in constitutive expression of the EGF ligand from the anchor cell

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Definitions:

Sense-Pleasure

Enjoyment or satisfaction derived from sensory experiences, such as tastes, smells, and tactile sensations.

Turner Syndrome

A chromosomal disorder affecting females, where one of the X chromosomes is missing or partially missing, leading to developmental and reproductive issues.

X Chromosome

One of the two sex chromosomes, which in humans and most animals determines the sex of the individual; females have two X chromosomes, males one X and one Y chromosome.

Associative Play

A stage of play in young children where they interact and share materials but do not coordinate their activities with a common goal.