-This Figure Shows the Late Gastrula Stage in Frog Development

question 10

Multiple Choice

-This figure shows the late gastrula stage in frog development.What does "a" represent?

• A)Endoderm
• B)Ectoderm
• C)Yolk plug
• D)Gut
• E)Mesoderm

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Definitions:

Structure Labeled

In microscopy, the identification and tagging of specific cellular or molecular components with labels or markers for study.

Anther

The part of the stamen in flowers that produces microspores and, ultimately, pollen grains.

Endosperm

A nutritive tissue in seeds of most flowering plants, providing sustenance to the developing embryo.

Triploid

An organism or cell having three complete sets of chromosomes, typically resulting from a cross between a diploid and a tetraploid or through nondisjunction events.