Question 1

During the early stages of a pregnancy, a single zygote splits into two genetically identical replicas. The genetically identical replicas of the single zygote indicate that the pregnant person will have ________ twins.

Accepted Answer

identical ...

Question 2

The ________ is like a bag or envelope and contains a clear fluid in which the developing embryo floats.

Accepted Answer

A)   placenta
B)   umbilical cord
C)   amnion
D)   cervixE) All of the above
F) None of the above

Question 3

The inner layer of cells of the embryo is referred to as the

Accepted Answer

A)   mesoderm.
B)   epidermis.
C)   endometrium.
D)   endoderm.E) A) and C)
F) B) and C)

Question 4

________ and ________ are the two birth defects that occur when the neural tube fails to close 27 days after conception.

Accepted Answer

A)   Down syndrome; Tay-Sachs disease
B)   Trisomy 13; trisomy 18
C)   Spina bifida; anencephaly
D)   ADHD; autismE) All of the above
F) A) and B)

Question 5

Name a prenatal medical procedure in which a sample of amniotic fluid is withdrawn by a syringe and tested for chromosomal or metabolic disorders.

Accepted Answer

The answer of Name a prenatal medical procedure in which...

Question 6

Marly describes her friend Gina as having blond hair, green eyes, and fair skin with freckles. Marly has described Gina's

Accepted Answer

A)   genotype.
B)   genetic imprint.
C)   phenotype.
D)   X-linked inheritance.E) A) and B)
F) B) and C)

Question 7

Which of the following statements about Turner syndrome is true?

Accepted Answer

A)   Turner syndrome occurs exclusively in females.
B)   People with Turner syndrome have extremely poor verbal ability.
C)   Males with Turner syndrome are short in stature and have webbed necks.
D)   Turner syndrome occurs in approximately 1 of every 25,000 live female births.E) None of the above
F) A) and C)

Question 8

Lindsay's body does not produce enough insulin, causing abnormal metabolism of sugar. She is receiving insulin treatment. Lindsay has

Accepted Answer

A)   spina bifida.
B)   hemophilia.
C)   phenylketonuria.
D)   diabetes.E) B) and C)
F) A) and B)

Question 9

_____ is a genetic abnormality in which delayed blood clotting causes internal and external bleeding.

Accepted Answer

A)   Hemophilia
B)   Phenylketonuria
C)   Sickle-cell anemia
D)   Tay-Sachs diseaseE) A) and C)
F) B) and C)

Question 10

Joshua, a two-year-old, has been diagnosed with ________, a blood disorder that limits the body's oxygen supply and can cause joint swelling and heart and kidney failure. This genetic disorder can be treated through penicillin, pain medication, antibiotics, blood transfusions, and hydroxyurea.

Accepted Answer

A)   spina bifida
B)   Tay-Sachs disease
C)   sickle-cell anemia
D)   Huntington's diseaseE) B) and D)
F) None of the above

Question 11

Which of the following women has the highest probability of giving birth to a child with Down syndrome?

Accepted Answer

A)   Sarah, a 21-year-old Asian woman
B)   Jane, a 41-year-old Euro-American woman
C)   Ella, a 27-year-old African American woman
D)   Destiny, a 38-year-old African American womanE) All of the above
F) A) and B)

Question 12

Bronwyn is interested in using nonmedical techniques to assist her in dealing with pain during childbirth. Based on the text and class discussion, what are the two best options available to her and why?

Accepted Answer

Some new nonmedical techniques...

Question 13

As an alternative to "________ evolutionism" presented in evolutionary psychology, Albert Bandura proposed a ________ view.

Accepted Answer

A)   bidirectional; unidirectional
B)   one-sided; bidirectional
C)   dynamic; linear
D)   balanced; biasedE) All of the above
F) None of the above

Question 14

Which of the following statements is true of the middle layer of the embryo?

Accepted Answer

A)   It will develop into the circulatory system, bones, muscles, excretory system, and reproductive system.
B)   It will develop into the nervous system and brain, sensory receptors, and skin parts.
C)   It primarily produces internal body parts.
D)   It primarily produces surface parts.E) C) and D)
F) B) and D)

Question 15

Salma is trying to get pregnant and therefore visits her doctor to understand more about pregnancy and childbirth. She asks her doctor about the duration of the typical prenatal development. Which of the following would be her doctor's response?

Accepted Answer

A)   38 to 40 weeks
B)   24 to 30 weeks
C)   28 to 33 weeks
D)   20 to 28 weeksE) None of the above
F) B) and C)

Question 16

The life-support systems for the embryo include the

Accepted Answer

A)   umbilical cord, placenta, and amnion.
B)   circulatory, nervous, and digestive systems.
C)   digestive system, umbilical cord, and amnion.
D)   nervous system, digestive system, and umbilical cord.E) B) and C)
F) C) and D)

Question 17

Which of the following is most likely to be a cause of infertility in a woman?

Accepted Answer

A)   unblocked fallopian tubes
B)   increased muscle mass
C)   eggs lacking motility
D)   a disease that hinders the implantation of the embryo into the uterusE) A) and D)
F) A) and B)

Question 18

Melody and Harmony are identical twins. This means that they developed from

Accepted Answer

A)   a single egg that was fertilized by a single sperm.
B)   a single egg that was fertilized by two different sperms.
C)   two eggs that were fertilized by a single sperm.
D)   two eggs that were fertilized by two different sperms.E) All of the above
F) A) and D)

Question 19

Clark's eyes are brown in color. However, both his parents have eyes that are blue in color. According to the dominant-recessive genes principle, the most likely reason for Clark's eyes being brown in color is that

Accepted Answer

A)   Clark's grandparents had brown-colored eyes.
B)   Clark has a mutation in his genotype resulting in the change in eye color.
C)   Clark's family history shows that the family has a dominant gene for brown-colored eyes.
D)   Clark's parents are carriers of genes contributing to brown eyes.E) All of the above
F) A) and B)

Question 20

________ is the way an individual's genotype is expressed in observed and measurable characteristics.

Accepted Answer

A)   RNA
B)   DNA
C)   A phenotype
D)   A stereotypeE) None of the above
F) A) and C)

Exam 2: Biological Beginnings

_____ is a genetic abnormality in which delayed blood clotting causes internal and external bleeding.

Correct AnswerverifiedShow Answer

Which of the following statements about Turner syndrome is true?

Correct AnswerverifiedShow Answer

________ is the way an individual's genotype is expressed in observed and measurable characteristics.

Correct AnswerverifiedShow Answer

The life-support systems for the embryo include the

Correct AnswerverifiedShow Answer

Bronwyn is interested in using nonmedical techniques to assist her in dealing with pain during childbirth. Based on the text and class discussion, what are the two best options available to her and why?

Correct AnswerverifiedSome new nonmedical techniques...View AnswerShow Answer

________ and ________ are the two birth defects that occur when the neural tube fails to close 27 days after conception.

Correct AnswerverifiedShow Answer

Lindsay's body does not produce enough insulin, causing abnormal metabolism of sugar. She is receiving insulin treatment. Lindsay has

Correct AnswerverifiedShow Answer

Joshua, a two-year-old, has been diagnosed with ________, a blood disorder that limits the body's oxygen supply and can cause joint swelling and heart and kidney failure. This genetic disorder can be treated through penicillin, pain medication, antibiotics, blood transfusions, and hydroxyurea.

Correct AnswerverifiedShow Answer

Name a prenatal medical procedure in which a sample of amniotic fluid is withdrawn by a syringe and tested for chromosomal or metabolic disorders.

Correct AnswerverifiedShow Answer

The ________ is like a bag or envelope and contains a clear fluid in which the developing embryo floats.

Correct AnswerverifiedShow Answer

The inner layer of cells of the embryo is referred to as the

Correct AnswerverifiedShow Answer

Marly describes her friend Gina as having blond hair, green eyes, and fair skin with freckles. Marly has described Gina's

Correct AnswerverifiedShow Answer

As an alternative to "________ evolutionism" presented in evolutionary psychology, Albert Bandura proposed a ________ view.

Correct AnswerverifiedShow Answer

During the early stages of a pregnancy, a single zygote splits into two genetically identical replicas. The genetically identical replicas of the single zygote indicate that the pregnant person will have ________ twins.

Correct Answerverifiedidentical ...View AnswerShow Answer

Clark's eyes are brown in color. However, both his parents have eyes that are blue in color. According to the dominant-recessive genes principle, the most likely reason for Clark's eyes being brown in color is that

Correct AnswerverifiedShow Answer

Salma is trying to get pregnant and therefore visits her doctor to understand more about pregnancy and childbirth. She asks her doctor about the duration of the typical prenatal development. Which of the following would be her doctor's response?

Correct AnswerverifiedShow Answer

Melody and Harmony are identical twins. This means that they developed from

Correct AnswerverifiedShow Answer

Which of the following women has the highest probability of giving birth to a child with Down syndrome?

Correct AnswerverifiedShow Answer

Which of the following is most likely to be a cause of infertility in a woman?

Correct AnswerverifiedShow Answer

Which of the following statements is true of the middle layer of the embryo?

Correct AnswerverifiedShow Answer

Correct Answer
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Some new nonmedical techniques...
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and are the two birth defects that occur when the neural tube fails to close 27 days after conception.

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As an alternative to " evolutionism" presented in evolutionary psychology, Albert Bandura proposed a view.

Correct Answer
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identical ...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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