Question

Which five of the following statements are true about organogenesis in a frog embryo?

O the notochord forms from mesoderm and develops into the central nervous system.
O somites form along the length of the notochord and neural tube.
O the endoderm gives rise to the lining of the frog's digestive tract.
O some somite cells migrate to other locations in the developing embryo.
O the neural tube forms from ectoderm and develops into the central nervous system.
O the mesoderm gives rise to the epidermis of the frog's skin.
O the notochord does not persist in adult frogs.

Answer 1

Several statements about organogenesis in a frog embryo are true, including the formation of the notochord and neural tube from mesoderm and ectoderm, the development of somites, and the contribution of the endoderm to the digestive tract. However, the notochord does persist in adult frogs.

Step-by-step explanation:

Organogenesis is the process of organ formation from the germ layers in an embryo. In a frog embryo, several statements about organogenesis are true:

1. The notochord forms from the mesoderm and develops into the central nervous system.
2. Somites form along the length of the notochord and neural tube.
3. The endoderm gives rise to the lining of the frog's digestive tract.
4. Some somite cells migrate to other locations in the developing embryo.
5. The notochord does not persist in adult frogs; it is part of the early embryonic stage that later contributes to the formation of intervertebral discs

The mesoderm also gives rise to the epidermis of the frog's skin. However, the statement that the notochord does not persist in adult frogs is false.