Experiments on Amphibian Embryos Have Shown That the Notochord Secretes

question 41

Multiple Choice

Experiments on amphibian embryos have shown that the notochord secretes Chordin and Noggin.If you performed an experiment in which you blocked the production of Chordin and Noggin in the early embryo,the expected result would be an embryo

• A) that did not gastrulate.
• B) that formed two embryos,joined belly-to-belly.
• C) that lacked a developing nervous system.
• D) that lacked an outer covering of epidermis.
• E) in which the blastopore became the mouth.

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Definitions:

Good Luck

A term expressing wishes for success or fortune in someone's endeavors or circumstances.

Hard Work

The significant effort or diligence applied towards completing tasks or achieving goals.

Variability

The extent to which data points in a set differ from each other and from the overall mean, indicating diversity or inconsistency.

Statistical Significance

A mathematical measure that indicates whether the observed differences in data are likely due to chance or represent a true effect in a population.