Question 1

The posterior pituitary gland is derived from which of the following?

Accepted Answer

A)   Telencephalon
B)   Diencephalon
C)   Myelencephalon
D)   None of the above is correctE) C) and D)
F) B) and D)

Question 2

The ligament arteriosum originated as which of the following?

Accepted Answer

A)   Umbilical vein
B)   Ductus venosus
C)   Foramen ovale
D)   Ductus arteriosusE) All of the above
F) None of the above

Question 3

Which of the following terms is used to describe the ability of a cell in the embryo to develop into a wide range of tissues but NOT all types of tissues?

Accepted Answer

A)   Pluripotent
B)   Differentiation
C)   Totipotent
D)   None of these is correctE) A) and B)
F) A) and C)

Question 4

What is the final event that ends fertilization?

Accepted Answer

A)   First meiotic division
B)   Destruction of the sperm
C)   Zona pellucida expansion
D)   Fusion of the sperm's pronucleus and the oocyte's pronucleusE) B) and C)
F) A) and C)

Question 5

Which of the following is an effect of estrogen during labor?

Accepted Answer

A)   Promotes uterine contractions and labor
B)   Inhibits uterine contractions and labor
C)   No effect on uterine contractions and laborD) A) and B)
E) None of the above

Question 6

If a person's melanin production was homozygous recessive, which of the following would be their appearance?

Accepted Answer

A)   Normal skin pigmentation
B)   The baby would be still born
C)   Albino
D)   None of the above is correctE) A) and C)
F) C) and D)

Question 7

The acrosome is the cap of the sperm that contain the sperm nucleus.

Accepted Answer

A) True 
 B)False

Question 8

In the fetal period of development, the weight of the fetus increases by 1400 fold.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is the gene expression seen in polydactyly?

Accepted Answer

A)   Dominance
B)   Incomplete dominance
C)   Homozygous recessive
D)   CodominanceE) B) and C)
F) C) and D)

Question 10

Parturition is the process of breast feeding.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is a protective extraembryonic membrane?

Accepted Answer

A)   Blastocele
B)   Amnion
C)   Inner cell mass
D)   PlacentaE) A) and B)
F) C) and D)

Question 12

Which of the following is an effect of progesterone?

Accepted Answer

A)   Promotes oxytocin secretion
B)   Inhibits oxytocin secretion
C)   No effect on oxytocin secretionD) None of the above
E) All of the above

Question 13

What is the origin of the sensory part of the ear?

Accepted Answer

A)   Ectoderm
B)   Endoderm
C)   Mesoderm
D)   None of the above is correctE) C) and D)
F) A) and B)

Question 14

Which of the following is caused by a change in the DNA that causes a change in the gene?

Accepted Answer

A)   Crossing over
B)   Mutation
C)   Polymorphism
D)   CarcinogenE) All of the above
F) A) and C)

Question 15

What is the single layer that surrounds the fluid-filled cavity of the blastocyst?

Accepted Answer

A)   Inner cell mass
B)   Blastocele
C)   Trophoblast
D)   All of these are correctE) B) and C)
F) A) and D)

Question 16

Which of the following is the developing human from the 8th week of life until birth?

Accepted Answer

A)   Embryo
B)   Blastocyst
C)   Fetus
D)   All of these are correctE) None of the above
F) B) and D)

Question 17

Which of the following is the gene expression seen in hemophilia A?

Accepted Answer

A)   Sex-linked
B)   Incomplete dominance
C)   Homozygous recessive
D)   CodominanceE) B) and C)
F) A) and B)

Question 18

Which of the following is the process that involves formation of a three germ layer embryo?

Accepted Answer

A)   Differentiation
B)   Gastrulation
C)   Implantation
D)   None of the above is correctE) None of the above
F) A) and B)

Question 19

The pericardial, pleural and peritoneal cavities are derived from which of the following structures?

Accepted Answer

A)   Evagination
B)   Branchial arches
C)   Oropharyneal membrane
D)   CoelomE) B) and C)
F) A) and B)

Question 20

Which of the following occurs in the second stage of labor?

Accepted Answer

A)   Contractions and cervix dilates to 10 cm
B)   Contractions and delivery of baby
C)   Delivery of the placenta
D)   None of the above is correctE) B) and D)
F) B) and C)

Exam 25: Development and Genetics

What is the final event that ends fertilization?

Correct AnswerverifiedShow Answer

Which of the following is the developing human from the 8th week of life until birth?

Correct AnswerverifiedShow Answer

Which of the following is an effect of progesterone?

Correct AnswerverifiedShow Answer

If a person's melanin production was homozygous recessive, which of the following would be their appearance?

Correct AnswerverifiedShow Answer

Which of the following is the gene expression seen in polydactyly?

Correct AnswerverifiedShow Answer

The posterior pituitary gland is derived from which of the following?

Correct AnswerverifiedShow Answer

Which of the following is a protective extraembryonic membrane?

Correct AnswerverifiedShow Answer

The pericardial, pleural and peritoneal cavities are derived from which of the following structures?

Correct AnswerverifiedShow Answer

What is the origin of the sensory part of the ear?

Correct AnswerverifiedShow Answer

The ligament arteriosum originated as which of the following?

Correct AnswerverifiedShow Answer

In the fetal period of development, the weight of the fetus increases by 1400 fold.

Correct AnswerverifiedShow Answer

Which of the following is the process that involves formation of a three germ layer embryo?

Correct AnswerverifiedShow Answer

Which of the following is caused by a change in the DNA that causes a change in the gene?

Correct AnswerverifiedShow Answer

What is the single layer that surrounds the fluid-filled cavity of the blastocyst?

Correct AnswerverifiedShow Answer

The acrosome is the cap of the sperm that contain the sperm nucleus.

Correct AnswerverifiedShow Answer

Which of the following terms is used to describe the ability of a cell in the embryo to develop into a wide range of tissues but NOT all types of tissues?

Correct AnswerverifiedShow Answer

Which of the following is an effect of estrogen during labor?

Correct AnswerverifiedShow Answer

Which of the following occurs in the second stage of labor?

Correct AnswerverifiedShow Answer

Which of the following is the gene expression seen in hemophilia A?

Correct AnswerverifiedShow Answer

Parturition is the process of breast feeding.

Correct AnswerverifiedShow Answer

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Which of the following is the developing human from the 8^th week of life until birth?

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