If You Were to Block Expression of the LIN-3 Gene

question 10

Multiple Choice

If you were to block expression of the LIN-3 gene in the early embryonic development of the nematode C.elegans,what would be the most likely result?

• A) Cells that normally would differentiate into the anus would remain epidermis.
• B) More cells than normal would differentiate into the anus.
• C) More cells than normal would become anchor cells.
• D) Cells that normally would differentiate into epidermis would become vulval precursors.
• E) Cells that normally would differentiate into vulval precursors would become epidermis.

Recognize the conditions and assumptions underlying different types of significance tests, including paired differences experiments.

Gain insight into statistical decision-making and hypothesis testing at various significance levels.

Understand how to calculate p-values and their role in hypothesis testing.

Differentiate between the types of data (nominal, ordinal, interval) and appropriate statistical tests for each.

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Definitions:

Trichina Worms

Parasitic roundworms of the genus Trichinella that can infect humans and other mammals through consumption of undercooked contaminated meat.

Organism

A living entity made up of one or more cells that is capable of growing, reproducing, responding to its environment, and, in many cases, moving.

Ctenophora

Also known as comb jellies, a phylum of invertebrate marine animals characterized by their gelatinous bodies and rows of ciliary plates for locomotion.

Diploblastic

Animal body plan in which there are only two embryonic tissue layers, the ectoderm and endoderm. Compare with triploblastic.