Figure 29-1 Early Human Development

Use Figure 29-1 to answer the following questions:
-Identify the stage labeled "12."
A) zygote
B) early morula
C) blastocyst
D) trophoblast
E) late morula

Question

Figure 29-1 Early Human Development
 
Use Figure 29-1 to answer the following questions:
-Identify the stage labeled "12."
A) zygote 
B) early morula 
C) blastocyst 
D) trophoblast 
E) late morula

Quizplus · Accepted Answer

Stage "12" is labeled as blastocyst, which is the stage that occurs about 5-6 days after fertilization and is characterized by the formation of an inner cell mass and an outer layer of cells called the trophoblast.