Question 1

Match between columns
                        Premises: plant development

Accepted Answer

The Answer of C. elegans and M. musculus and D. is...

Question 2

Drosophila melanogaster is a suitable research subject for developmental genetics studies because:

Accepted Answer

A)   the fly is large enough for many surgical procedures.
B)   many developmental control genes observed in the fly are also present in humans.
C)   flies are not subject to genetic mutations.
D)   while flies are small and easy to house, they require specialized and expensive dietary requirements.
E)   the control of fly development is unique and unrelated to human development.

Question 3

The results of the experiment outlined in the accompanying figure clearly demonstrate:

Accepted Answer

A)   gene amplification
B)   founder cell development pattern
C)   mosaic development
D)   apoptosis
E)   totipotency

Question 4

____ promote cancer development, while ____ prevent cancer development.

Accepted Answer

A)   Oncogenes; tumor suppressor genes
B)   Tumor suppressor genes; homeobox genes
C)   Tumor suppressor genes; oncogenes
D)   Oncogenes; homeobox genes
E)   Homeobox genes; proto-oncogenes

Question 5

The Hox gene clusters in mouse are very similar to those identified in Drosophila .

Accepted Answer

A) True 
 B)False

Question 6

The first cloned mammal, Dolly:

Accepted Answer

A)   was stillborn
B)   developed arthritis and a virus-induced lung cancer at a relatively young age
C)   lived a short period of time before suffering advanced aging effects
D)   lived to a normal age for sheep
E)   lived longer than normal sheep

Question 7

What is a goal of human therapeutic cloning?

Accepted Answer

A)   to transfer cells from an unrelated individual into a patient needing a transplant
B)   to create pluripotent cells for medical research only
C)   to make a new individual, who is genetically identical to a patient needing a transplant
D)   to create pluripotent stem cells using a patient's nucleus
E)   to extract ES cells from an embryo

Question 8

Metastatic tumors:

Accepted Answer

A)   are examples of neoplasms
B)   contain cells tightly controlled by the cell cycle
C)   contain nondividing cells
D)   are caused by the normal expression of homeotic genes
E)   are localized in one part of the body

Question 9

Match between columns
                        Premises: study of Hox genes

Accepted Answer

The Answer of D. melanogaster and Arabidopsis and M. musculus is...

Question 10

Gap genes of Drosophila embryos:

Accepted Answer

A)   organize the embryo into broad regions and influence the activity of pair-rule genes.
B)   are missing from the chromosomes of mutant flies.
C)   are genes that have moved to gaps on other chromosome during meiosis.
D)   cause gaps in the cell cycle.
E)   cause the death of embryos before they hatch.

Question 11

Which of the following is characteristic of mosaic development?

Accepted Answer

A)   The cells of the adult are very different from each other.
B)   The fate of adult cells is predetermined in embryonic founder cells.
C)   Adult cells are richly interspersed with proteins.
D)   Embryonic cells have a wide range of possible developmental patterns.
E)   Embryos have a wide range of morphologies, but all look identical as adults.

Question 12

Maternal effect genes form ____ gradients in the developing egg.

Accepted Answer

A)   maternal Hox protein
B)   segment
C)   polarity gene
D)   morphogen
E)   maternal growth factor

Question 13

Figure 17-4

In the accompanying figure, the purpose of electrical shock at the stage of the process labeled as A is to:

Accepted Answer

A)   kill the egg cell nucleus
B)   initiate fusion of the two cells
C)   stimulate cell division
D)   induce mutations
E)   initiate apoptosis

Question 14

Some Drosophila developmental genes result in the loss of alternate segments in the larva when mutated. These genes are called:

Accepted Answer

A)   embryonic segment genes
B)   larval segmentation genes
C)   segment polarity genes
D)   pair-rule genes
E)   gap genes

Question 15

Totipotent nuclei are capable of:

Accepted Answer

A)   controlling the expression of other genes in the nucleus
B)   directing normal development of an organism
C)   causing cells to lose the ability to differentiate
D)   undergoing unlimited nuclear divisions
E)   stopping the cell cycle at will

Question 16

____ are known as master genes of development, and may hold clues to the field of evolutionary developmental biology known as Evo Devo.

Accepted Answer

A)   Nuclear equivalent genes
B)   Stem cell genes
C)   Prokaryotic transcription factors
D)   Segmentation genes
E)   Homeobox genes

Question 17

Adult stem cells are found only in adults.

Accepted Answer

A) True 
 B)False

Question 18

Cells able to divide and form some types of cells in an organism are called:

Accepted Answer

A)   pluripotent stem cells
B)   terminally differentiated cells
C)   germ line cells
D)   morphogenic cells
E)   developmental cells

Question 19

Instances in which cells die shortly after they are produced in development illustrate:

Accepted Answer

A)   morphogenesis
B)   mosaic development
C)   apoptosis
D)   non-specific differentiation
E)   caspases

Question 20

In the process known as ____, the fate of a cell is influenced by interactions with neighboring cells.

Accepted Answer

A)   determination
B)   induction
C)   apoptosis
D)   differentiation
E)   tumor suppression

Exam 17: Developmental Genetics

Metastatic tumors:

Correct Answer
verified

Cells able to divide and form some types of cells in an organism are called:

Correct Answer
verified

The Hox gene clusters in mouse are very similar to those identified in Drosophila .

Correct Answer
verified

Gap genes of Drosophila embryos:

Correct Answer
verified

Some Drosophila developmental genes result in the loss of alternate segments in the larva when mutated. These genes are called:

Correct Answer
verified

promote cancer development, while prevent cancer development.

Correct Answer
verified

Totipotent nuclei are capable of:

Correct Answer
verified

What is a goal of human therapeutic cloning?

Correct Answer
verified

Adult stem cells are found only in adults.

Correct Answer
verified

Match the developmental process with the organism best suited for its study.

The first cloned mammal, Dolly:

Correct Answer
verified

The results of the experiment outlined in the accompanying figure clearly demonstrate:

Correct Answer
verified

Figure 17-4 In the accompanying figure, the purpose of electrical shock at the stage of the process labeled as A is to:

Correct Answer
verified

Instances in which cells die shortly after they are produced in development illustrate:

Correct Answer
verified

In the process known as ____, the fate of a cell is influenced by interactions with neighboring cells.

Correct Answer
verified

____ are known as master genes of development, and may hold clues to the field of evolutionary developmental biology known as Evo Devo.

Correct Answer
verified

Maternal effect genes form ____ gradients in the developing egg.

Correct Answer
verified

Match the developmental process with the organism best suited for its study.

Which of the following is characteristic of mosaic development?

Correct Answer
verified

Drosophila melanogaster is a suitable research subject for developmental genetics studies because:

Correct Answer
verified

Exam 17: Developmental Genetics

Metastatic tumors:

Correct AnswerverifiedShow Answer

Cells able to divide and form some types of cells in an organism are called:

Correct AnswerverifiedShow Answer

The Hox gene clusters in mouse are very similar to those identified in Drosophila .

Correct AnswerverifiedShow Answer

Gap genes of Drosophila embryos:

Correct AnswerverifiedShow Answer

Some Drosophila developmental genes result in the loss of alternate segments in the larva when mutated. These genes are called:

Correct AnswerverifiedShow Answer

____ promote cancer development, while ____ prevent cancer development.

Correct AnswerverifiedShow Answer

Totipotent nuclei are capable of:

Correct AnswerverifiedShow Answer

What is a goal of human therapeutic cloning?

Correct AnswerverifiedShow Answer

Adult stem cells are found only in adults.

Correct AnswerverifiedShow Answer

Match the developmental process with the organism best suited for its study.

The first cloned mammal, Dolly:

Correct AnswerverifiedShow Answer

The results of the experiment outlined in the accompanying figure clearly demonstrate:

Correct AnswerverifiedShow Answer

Figure 17-4 In the accompanying figure, the purpose of electrical shock at the stage of the process labeled as A is to:

Correct AnswerverifiedShow Answer

Instances in which cells die shortly after they are produced in development illustrate:

Correct AnswerverifiedShow Answer

In the process known as ____, the fate of a cell is influenced by interactions with neighboring cells.

Correct AnswerverifiedShow Answer

____ are known as master genes of development, and may hold clues to the field of evolutionary developmental biology known as Evo Devo.

Correct AnswerverifiedShow Answer

Maternal effect genes form ____ gradients in the developing egg.

Correct AnswerverifiedShow Answer

Match the developmental process with the organism best suited for its study.

Which of the following is characteristic of mosaic development?

Correct AnswerverifiedShow Answer

Drosophila melanogaster is a suitable research subject for developmental genetics studies because:

Correct AnswerverifiedShow Answer

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promote cancer development, while prevent cancer development.

Correct Answer
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Correct Answer
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