Question 1

Cell cleavage during embryonic development in ducks is

Accepted Answer

A)  meroblastic.
B)  holoblastic.
C)  through the entire egg.
D)  impossible.E) None of the above
F) All of the above

Question 2

Implantation of the blastocyst into the uterine wall is correlated with the degeneration of the corpus luteum.

Accepted Answer

A) True 
 B)False

Question 3

What would result if more than one sperm fertilized an egg?

Accepted Answer

A)  One sperm nucleus would degenerate.
B)  parthenogenesis
C)  polyploidy
D)  twins
E)  haploidyF) None of the above
G) A) and B)

Question 4

Which of the following is TRUE of fertilization?

Accepted Answer

A)  It restores the egg to a diploid state.
B)  It activates cell division.
C)  It is critical to maintaining membrane polarity.
D)  It both restores the egg to a diploid state and activates cell division.
E)  It both restores the egg to a diploid state and maintains membrane polarity.F) A) and D)
G) B) and E)

Question 5

Across the lifespan of a human female,the number of primary oocytes peaks at the onset of puberty.

Accepted Answer

A) True 
 B)False

Question 6

The specific process by which a caterpillar becomes a butterfly is called

Accepted Answer

A)  epigenesis.
B)  cellular differentiation.
C)  gastrulation.
D)  involution.
E)  metamorphosis.F) C) and E)
G) All of the above

Question 7

Organogenesis

Accepted Answer

A)  involves acrosomal reaction.
B)  is the formation of the three germ layers.
C)  involves failure of the organs to form.
D)  is when tadpoles become frogs.
E)  is the longest event of embryonic development.F) A) and B)
G) None of the above

Question 8

Fertilization of an ovum normally occurs in the

Accepted Answer

A)  uterus.
B)  ovary.
C)  oviduct.
D)  vagina.
E)  cervix.F) B) and C)
G) C) and E)

Question 9

External fertilization

Accepted Answer

A)  occurs in amphibians.
B)  often leaves fertilized eggs susceptible to predation.
C)  involves the release of eggs and sperm into a body of water.
D)  requires specialized behavior.
E)  All of these statements are correct.F) All of the above
G) A) and B)

Question 10

Human eggs undergo holoblastic cleavage during development.

Accepted Answer

A) True 
 B)False

Question 11

Once an egg has been fertilized,what event is crucial for preventing additional sperm from inserting DNA into the egg?

Accepted Answer

A)  the acrosomal reaction
B)  the cortical reaction
C)  cleavage
D)  follicle maturationE) B) and C)
F) A) and B)

Question 12

The fact that regeneration is a common type of reproduction in sea stars suggests that

Accepted Answer

A)  sea star populations have high levels of genetic diversity.
B)  all sea stars are haploid.
C)  sea stars have almost no predators.
D)  adult sea star cells retain the ability to form a complete animal.E) A) and D)
F) B) and D)

Question 13

The cortical reaction prevents multiple sperm from contributing their chromosomes to the egg.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following germ layer-structure is mismatched?

Accepted Answer

A)  mesoderm-notochord
B)  endoderm-lungs or respiratory tube
C)  ectoderm-epidermis
D)  mesoderm-digestive tract
E)  ectoderm-brainF) D) and E)
G) A) and E)

Exam 40: Animal Reproduction and Development

Across the lifespan of a human female,the number of primary oocytes peaks at the onset of puberty.

Correct Answer
verified

Fertilization of an ovum normally occurs in the

Correct Answer
verified

The specific process by which a caterpillar becomes a butterfly is called

Correct Answer
verified

External fertilization

Correct Answer
verified

Once an egg has been fertilized,what event is crucial for preventing additional sperm from inserting DNA into the egg?

Correct Answer
verified

The cortical reaction prevents multiple sperm from contributing their chromosomes to the egg.

Correct Answer
verified

Cell cleavage during embryonic development in ducks is

Correct Answer
verified

Which of the following germ layer-structure is mismatched?

Correct Answer
verified

Which of the following is TRUE of fertilization?

Correct Answer
verified

What would result if more than one sperm fertilized an egg?

Correct Answer
verified

Organogenesis

Correct Answer
verified

Human eggs undergo holoblastic cleavage during development.

Correct Answer
verified

The fact that regeneration is a common type of reproduction in sea stars suggests that

Correct Answer
verified

Implantation of the blastocyst into the uterine wall is correlated with the degeneration of the corpus luteum.

Correct Answer
verified

Exam 40: Animal Reproduction and Development

Across the lifespan of a human female,the number of primary oocytes peaks at the onset of puberty.

Correct AnswerverifiedShow Answer

Fertilization of an ovum normally occurs in the

Correct AnswerverifiedShow Answer

The specific process by which a caterpillar becomes a butterfly is called

Correct AnswerverifiedShow Answer

External fertilization

Correct AnswerverifiedShow Answer

Once an egg has been fertilized,what event is crucial for preventing additional sperm from inserting DNA into the egg?

Correct AnswerverifiedShow Answer

The cortical reaction prevents multiple sperm from contributing their chromosomes to the egg.

Correct AnswerverifiedShow Answer

Cell cleavage during embryonic development in ducks is

Correct AnswerverifiedShow Answer

Which of the following germ layer-structure is mismatched?

Correct AnswerverifiedShow Answer

Which of the following is TRUE of fertilization?

Correct AnswerverifiedShow Answer

What would result if more than one sperm fertilized an egg?

Correct AnswerverifiedShow Answer

Organogenesis

Correct AnswerverifiedShow Answer

Human eggs undergo holoblastic cleavage during development.

Correct AnswerverifiedShow Answer

The fact that regeneration is a common type of reproduction in sea stars suggests that

Correct AnswerverifiedShow Answer

Implantation of the blastocyst into the uterine wall is correlated with the degeneration of the corpus luteum.

Correct AnswerverifiedShow Answer

Correct Answer
verified

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Correct Answer
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