Which Statement About Development in the Fruit Fly Drosophila Is

question 90

Multiple Choice

Which statement about development in the fruit fly Drosophila is true?

• A) The fates of cells in different segments of the larva are determined before morphological differences are apparent.
• B) Cell membranes impede the diffusion of morphogens in the early embryo.
• C) Wings develop from segments in the abdomen.
• D) The abdomen is more anterior than the thorax.
• E) The fate of all cells forming adult structures is determined in the pupal stage.

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Definitions:

Glial Cells

Non-neuronal cells in the central and peripheral nervous system that provide support and protection for neurons.

Myofibrils

Long, filamentous structures within muscle cells, critical for muscle contraction and composed of repeating units of sarcomeres.

Elastic

Materials or tissues capable of returning to their original shape after being stretched or compressed.

Reticular

Related to a network or net-like structure, often used in biological contexts to describe the appearance or organization of tissues or cell formations.