Embryology - AP Bio

Which of the following occur during cleavage? (mark all that apply)

• Zygote is formed

• Cell division without cell growth

• Rapid cell divisions

• Results in a solid ball of cells

• S and M phases of cell cycle do not occur

Which of the following occur during fertilization? (mark all that apply)

• Sperm is fertilized by the egg

• Zygote is formed

• Haploid number is restored

• Nuclei of egg and sperm fuse

• A totipotent cell is formed.

Which of the following occur in blastulation? (mark al that apply)

• Cleavage divisions continue to occur

• Hollow cavity established inside cells

• Sex of offspring is determined

• Cells move to outer edge of sphere's boundary.

• Vegetal pole is first established.

The embryological process shown is

• Fertilization

• Gastrulation

• Cleavage

• Blastulation

This forms the anus in deuterostomes and the mouth in protostomes.

• A

• B

• C

• D

The archenteron which is the primitive gut.

• A

• B

• C

• D

Tags

NGSS.HS-LS1-2

NGSS.HS-LS1-4

Germ layer that will become the muscle and bone tissues.

• A

• B

• C

• D

• E

Tags

NGSS.HS-LS1-4

Germ layer that will become the lining of the digestive tract.

• A

• B

• C

• D

• E

Tags

NGSS.HS-LS1-4

What embryological process has completed based on the diagram?

• Organogenesis

• Morphogenesis

• Gastrulatrion

• Neurulation

The neural tube was derived from which germ layer?

• Ectoderm

• Mesoderm

• Endoderm

• Combination of endoderm and mesoderm

Tags

NGSS.HS-LS1-4