Animal Development Quiz

What is gametogenesis?

• The process of digesting food

• The formation of gametes

• The division of somatic cells

• The synthesis of DNA

What is the term used to describe the diploid cell that results from fertilization?

• Embryo

• Blastula

• Zygote

• Gamete

What is cleavage in the context of cell division?

• The process of a cell growing in size

• The fusion of two cells

• Rapid cell divisions following fertilization

• The final stage of cell division

What is each cell called after it has undergone cleavage?

• Zygote

• Embryo

• Blastomere

• Gamete

What is the name given to the solid ball of cells that results from cleavage?

• Blastula

• Zygote

• Morula

• Gastrula

What is the name of the fluid-filled cavity that forms within the embryo as divisions continue?

• Blastula

• Gastrula

• Blastocoel

• Morula

What is the term used to describe the resulting hollow ball of cells in the early stages of embryonic development?

• Zygote

• Blastula

• Gastrula

• Blastocoel

What is the process called that rearranges the cells of a blastula into a three-layered embryo?

• Morphogenesis

• Gastrulation

• Neurulation

• Blastulation

What is the term used to describe a three-layered embryo?

• Diploblastic

• Triploblastic

• Monoblastic

• Polyblastic

What is the blastopore?

• The final opening in the embryo

• The first opening in the embryo during gastrulation

• A type of primitive gut

• The end of the gut-tube