In a Frog Embryo,gastrulation

question 14

Multiple Choice

In a frog embryo,gastrulation

• A)produces a blastocoel displaced into the animal hemisphere.
• B)occurs along the primitive streak in the animal hemisphere.
• C)is impossible because of the large amount of yolk in the egg.
• D)proceeds by invagination and involution as cells roll over the dorsal lip of the blastopore.
• E)occurs within the inner cell mass that is embedded in the large amount of yolk.

---

Definitions:

Non-integer Number

A number that is not an integer, implying it can be a fraction, decimal, or irrational number.

Unequal-variances Test

Statistical tests used when comparing two groups that are assumed not to have the same variance.

Student T-distributed

Pertaining to a probability distribution used in statistics for estimating population parameters when the sample size is small and population variance is unknown.

Population Variances

Measures of the spread or distribution of a set of data points in a population, quantifying the degree to which these points differ from the population mean.