Ontogeny

Ontogeny

These questions cover various aspects of ontogeny, including embryonic development stages, germ layer formation, genetic regulation, and developmental disorders.

1 / 10

Which developmental disorder is characterized by improper closure of the neural tube during embryogenesis, leading to defects such as spina bifida?

2 / 10

The process by which cells become specialized in structure and function is known as:

3 / 10

What is the term for the programmed cell death that is essential for proper development and the removal of unnecessary cells?

4 / 10

In human development, the neural tube, which later forms the central nervous system, closes completely by which week of gestation?

5 / 10

The homeobox (Hox) genes are important for:

6 / 10

Which signaling pathway is crucial for the regulation of somitogenesis during vertebrate development?

7 / 10

Which of the following structures is derived from the ectoderm during embryonic development?

8 / 10

During which stage of embryonic development does the formation of the three primary germ layers (ectoderm, mesoderm, and endoderm) occur?

9 / 10

The process by which a single fertilized egg divides and differentiates into various cell types is called:

10 / 10

Ontogeny is primarily concerned with:

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