Fertilization and Embryonic Development Quiz

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During fertilization, which two gametes fuse together to form a zygote?

Male gamete and female gamete (correct)

Male gamete and male gamete

Sperm and ovum

Female gamete and female gamete

How many chromosomes does the zygote contain after fertilization?

32 chromosomes

64 chromosomes

46 chromosomes (correct)

23 chromosomes

What is the term used to describe the mass of cells formed by the rapid division of the zygote?

Fetus

Morula (correct)

Embryo

Blastocyst

During embryonic folding, the foregut is formed by the fusion of which two regions?

Stomodeum and hindgut Signup and view all the answers

Which region of the digestive tract is formed by the fusion of the midgut and hindgut?

None of the above Signup and view all the answers

What structures are formed by the fusion of the neural tube during embryonic folding?

Spinal cord and brain Signup and view all the answers

Which arch forms the hypobranchial eminence that gives rise to the mucous covering the posterior third of the tongue?

Third pharyngeal arch Signup and view all the answers

Which arch forms the lingual swellings that merge with the tuberculum impar to form the anterior two thirds of the tongue?

First pharyngeal arch Signup and view all the answers

From which region do the muscles of the tongue arise?

Fourth pharyngeal arch Signup and view all the answers

Which arch forms the lingual swellings that merge with the tuberculum impar to form the anterior two thirds of the tongue?

First pharyngeal arch Signup and view all the answers

What is the term used to describe the large midline swelling formed by the third arch that gives rise to the mucous covering the posterior third of the tongue?

Hypobranchial eminence Signup and view all the answers

From which region do the muscles of the tongue arise?

Occipital somites Signup and view all the answers

Which structure marks the point of divergence between the ramus of the mandible and Meckel's cartilage?

Lingula Signup and view all the answers

At what week of development does Meckel's cartilage first appear?

6th week Signup and view all the answers

How is the mandibular canal formed?

The bone surrounds the inferior alveolar nerve Signup and view all the answers

Fertilization and Embryonic Development Quiz

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Questions and Answers

During fertilization, which two gametes fuse together to form a zygote?

How many chromosomes does the zygote contain after fertilization?

What is the term used to describe the mass of cells formed by the rapid division of the zygote?

During embryonic folding, the foregut is formed by the fusion of which two regions?

Which region of the digestive tract is formed by the fusion of the midgut and hindgut?

What structures are formed by the fusion of the neural tube during embryonic folding?

Which arch forms the hypobranchial eminence that gives rise to the mucous covering the posterior third of the tongue?

Which arch forms the lingual swellings that merge with the tuberculum impar to form the anterior two thirds of the tongue?

From which region do the muscles of the tongue arise?

Which arch forms the lingual swellings that merge with the tuberculum impar to form the anterior two thirds of the tongue?

What is the term used to describe the large midline swelling formed by the third arch that gives rise to the mucous covering the posterior third of the tongue?

From which region do the muscles of the tongue arise?

Which structure marks the point of divergence between the ramus of the mandible and Meckel's cartilage?

At what week of development does Meckel's cartilage first appear?

How is the mandibular canal formed?

Which structure does Meckel's cartilage extend from?

At what week of development does Meckel's cartilage first appear?

What surrounds Meckel's cartilage?

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