Which Statement About Pattern Formation in an Embryo Is True

question 75

Multiple Choice

Which statement about pattern formation in an embryo is true?

• A) It is a process found in animal embryos but not in plant embryos.
• B) It involves the French flag protein.
• C) It is a pattern imposed on cells after they differentiate.
• D) It can involve programmed cell death.
• E) It involves transcription factors but does not involve inducers.

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Definitions:

Representative Clade

A group of organisms that includes an ancestor and all of its descendants, representing a single branch on the tree of life.

Supergroup

In biology, a high-level classification rank above kingdom, used in some recent taxonomic systems to organize the diversity of life.

Trypanosomes

Single-celled parasitic organisms responsible for diseases like African sleeping sickness and Chagas' disease, transmitted by insect vectors.

Foraminiferans

Single-celled protists with shells, known for their role in marine ecosystems and as indicators of environmental change.