Which Conclusion Can Be Made from the Experiments of Hans

question 24

Multiple Choice

Which conclusion can be made from the experiments of Hans Spemann and Hilde Mangold in which they transplanted the dorsal lip of one salamander embryo to the ventral side of a second embryo?

• A) Cytoplasmic determinants of development are homogeneously distributed in the amphibian zygote.
• B) In the late blastula,certain regions of cells are destined to form epidermis or nervous tissue.
• C) The dorsal lip of the blastopore,even if isolated from other cells,can form a complete embryo.
• D) The dorsal lip of the blastopore can initiate gastrulation.
• E) The dorsal lip of the blastopore gives rise to the neural tube.

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Definitions:

Normally Distributed

Describes a type of continuous probability distribution for a real-valued random variable where the data forms a symmetric, bell-shaped curve about the mean.

Variances Assumed

A condition in statistical analysis where it is presumed that the variances of two or more populations are equal, important in certain tests like ANOVA.

Independent Random Samples

Samples selected from a population in such a way that each individual has the same chance of being selected, and the selection of one individual does not affect the selection of another.

Population Means

The average of a set of characteristics (such as age, weight, etc.) of every member of a population.