Question 1

If you compared the genetic makeup of a female animal produced by parthenogenesis with that of its mother, which of the following would you expect?

Accepted Answer

A)  About 100 percent genetic similarity 
B)  About 50 percent genetic similarity 
C)  No genetic similarity 
D)  About 25 percent genetic similarity 
E)  Parthenogenetic animals do not have mothers. 
A)  About 100 percent genetic similarity 
B)  About 50 percent genetic similarity 
C)  No genetic similarity 
D)  About 25 percent genetic similarity 
E)  Parthenogenetic animals do not have mothers.

Question 2

A major evolutionary step allowing the first reptiles to succeed on land was the development of the _______.

Accepted Answer

The answer of A major evolutionary step allowing the first...

Question 3

Which of the following is and event in the uterine cycle?

Accepted Answer

A)  Buildup of the endometrium 
B)  Breakdown of the endometrium 
C)  Ovulation 
D)  Breakdown of the corpus luteum 
E)  Both a and b 
A)  Buildup of the endometrium 
B)  Breakdown of the endometrium 
C)  Ovulation 
D)  Breakdown of the corpus luteum 
E)  Both a and b

Question 4

Use the following to answer questions:
Match the cell states listed below with the description of a cell in each question that follows. Each item may be used once, more than once, or not at all. 
-Initial products of germ cells in the female gonad

Accepted Answer

A)  Oogonia 
B)  Spermatogonia 
C)  Spermatid 
D)  Primary spermatocyte 
E)  Secondary spermatocyte 
A)  Oogonia 
B)  Spermatogonia 
C)  Spermatid 
D)  Primary spermatocyte 
E)  Secondary spermatocyte

Question 5

Use the following to answer questions:
Refer to the diagram below of the human male reproductive system.  
-Based on the diagram, which of the following statements is true?

Accepted Answer

A)  The structure at point 2 is cut in a vasectomy. 
B)  The structure at point 3 is the epididymis. 
C)  The structure at point 2 joins the urethra behind the bladder. 
D)  The structure at point 6 contributes an alkaline fluid that makes up about 30 percent of the volume of semen. 
E)  All of the above 
A)  The structure at point 2 is cut in a vasectomy. 
B)  The structure at point 3 is the epididymis. 
C)  The structure at point 2 joins the urethra behind the bladder. 
D)  The structure at point 6 contributes an alkaline fluid that makes up about 30 percent of the volume of semen. 
E)  All of the above

Question 6

Pregnancy tests detect the presence of

Accepted Answer

A)  luteinizing hormone. 
B)  follicle-stimulating hormone. 
C)  human chorionic gonadotropin. 
D)  estrogen. 
E)  progesterone. 
A)  luteinizing hormone. 
B)  follicle-stimulating hormone. 
C)  human chorionic gonadotropin. 
D)  estrogen. 
E)  progesterone.

Question 7

The corpus luteum secretes the hormones _______ and _______.

Accepted Answer

progestero

Question 8

In mammals, the species-specific mechanism by which egg and sperm recognize one another is found in the _______.

Accepted Answer

The answer of In mammals, the species-specific mechanism by which...

Question 9

Which of the following contraceptive methods has a success rate greater than 95 percent?

Accepted Answer

A)  Spermicidal jellies 
B)  Condoms 
C)  Diaphragms 
D)  Oral hormones ("the pill") 
E)  All of the above 
A)  Spermicidal jellies 
B)  Condoms 
C)  Diaphragms 
D)  Oral hormones ("the pill") 
E)  All of the above

Question 10

Which of the following statements about human reproduction is false?

Accepted Answer

A)  Women are most likely to be fertile from day 10 to day 20 of their ovarian cycle. 
B)  Ovulation can be detected by tracking the woman's body temperature. 
C)  An ovum remains viable for up to 36 hours after ovulation. 
D)  Sperm may survive for up to 6 days in the female reproductive tract. 
E)  All of the above are true; none is false. 
A)  Women are most likely to be fertile from day 10 to day 20 of their ovarian cycle. 
B)  Ovulation can be detected by tracking the woman's body temperature. 
C)  An ovum remains viable for up to 36 hours after ovulation. 
D)  Sperm may survive for up to 6 days in the female reproductive tract. 
E)  All of the above are true; none is false.

Question 11

A reproductive technology called _______, commonly used in the production of livestock, involves placing sperm in the correct location in the female reproductive tract.

Accepted Answer

artificial

Question 12

Which of the following is the immediate trigger for ovulation and formation of the corpus luteum?

Accepted Answer

A)  A peak in estrogen 
B)  A peak in luteinizing hormone 
C)  A peak in progesterone 
D)  Presence of sperm in the reproductive tract 
E)  Readiness of the endometrial lining of the uterus 
A)  A peak in estrogen 
B)  A peak in luteinizing hormone 
C)  A peak in progesterone 
D)  Presence of sperm in the reproductive tract 
E)  Readiness of the endometrial lining of the uterus

Question 13

Which of the following is the physiological mechanism for erection of the penis in human males?

Accepted Answer

A)  Contraction of skeletal muscle 
B)  Engorgement of spongy tissue 
C)  Contraction of smooth muscles 
D)  Emission of glandular fluid 
E)  Accumulation of intercellular fluid 
A)  Contraction of skeletal muscle 
B)  Engorgement of spongy tissue 
C)  Contraction of smooth muscles 
D)  Emission of glandular fluid 
E)  Accumulation of intercellular fluid

Question 14

Which of the following is not an accessory sex organ?

Accepted Answer

A)  Penis 
B)  Prostate gland 
C)  Ovary 
D)  Vagina 
E)  Uterus 
A)  Penis 
B)  Prostate gland 
C)  Ovary 
D)  Vagina 
E)  Uterus

Question 15

Progesterone and estrogen are hormones produced by the

Accepted Answer

A)  anterior pituitary. 
B)  posterior pituitary. 
C)  Sertoli cells. 
D)  hypothalamus. 
E)  corpus luteum. 
A)  anterior pituitary. 
B)  posterior pituitary. 
C)  Sertoli cells. 
D)  hypothalamus. 
E)  corpus luteum.

Question 16

In some female mammals, a corporus luteum does not generate completely, but turns into a spot of scar tissue. If researchers were to count multiple scar tissue spots, they would be able to determine the female's total number of

Accepted Answer

A)  offspring. 
B)  reproductive cycles. 
C)  pregnancies. 
D)  follicles. 
E)  eggs ovulated. 
A)  offspring. 
B)  reproductive cycles. 
C)  pregnancies. 
D)  follicles. 
E)  eggs ovulated.

Question 17

The parthenogenic whiptail lizard species, Cnemidophorus uniparens, is comprised of all females, yet they need stimulation from a male for ovulation to occur. How then do they reproduce?

Accepted Answer

A)  Females hybridize with males of a related species, but accept only some of the chromosomes in the sperm. 
B)  Females that are the most fit become males temporarily, produce and transfer sperm to other females, and then revert to being females. 
C)  The least fit females become males temporarily, produce and transfer sperm to other females, and then revert to being female. 
D)  Females with high progesterone levels act like males, but they do not produce any sperm. 
E)  Females with high estrogen levels act like males, but they do not produce any sperm. 
A)  Females hybridize with males of a related species, but accept only some of the chromosomes in the sperm. 
B)  Females that are the most fit become males temporarily, produce and transfer sperm to other females, and then revert to being females. 
C)  The least fit females become males temporarily, produce and transfer sperm to other females, and then revert to being female. 
D)  Females with high progesterone levels act like males, but they do not produce any sperm. 
E)  Females with high estrogen levels act like males, but they do not produce any sperm.

Question 18

Spermatogenesis and oogenesis differ in that

Accepted Answer

A)  spermatogenesis produces gametes with greater stores of raw materials than those produced by oogenesis. 
B)  spermatocytes remain in prophase of the first meiotic division longer than oocytes. 
C)  oogenesis produces four equally functional haploid cells per meiotic event and spermatogenesis does not. 
D)  spermatogenesis produces many gametes with meager energy reserves, whereas oogenesis produces relatively few, well-provisioned gametes. 
E)  spermatogenesis begins before birth in humans, whereas oogenesis does not start until the onset of puberty. 
A)  spermatogenesis produces gametes with greater stores of raw materials than those produced by oogenesis. 
B)  spermatocytes remain in prophase of the first meiotic division longer than oocytes. 
C)  oogenesis produces four equally functional haploid cells per meiotic event and spermatogenesis does not. 
D)  spermatogenesis produces many gametes with meager energy reserves, whereas oogenesis produces relatively few, well-provisioned gametes. 
E)  spermatogenesis begins before birth in humans, whereas oogenesis does not start until the onset of puberty.

Question 19

The function of the seminal vesicle is to

Accepted Answer

A)  produce a solution of fructose to provide energy for the sperm. 
B)  secrete alkaline fluids that neutralize the acidity of a female's reproductive tract. 
C)  initiate the muscular contractions that lead to emission. 
D)  produce lubrication for the tip of the penis. 
E)  serve as the location for spermatogenesis. 
A)  produce a solution of fructose to provide energy for the sperm. 
B)  secrete alkaline fluids that neutralize the acidity of a female's reproductive tract. 
C)  initiate the muscular contractions that lead to emission. 
D)  produce lubrication for the tip of the penis. 
E)  serve as the location for spermatogenesis.

Question 20

Which of the following is not a component of asexual reproduction?

Accepted Answer

A)  Identical genetic makeup of parent and progeny 
B)  Fertilization 
C)  Parthenogenesis 
D)  Regeneration 
E)  Budding 
A)  Identical genetic makeup of parent and progeny 
B)  Fertilization 
C)  Parthenogenesis 
D)  Regeneration 
E)  Budding

Exam 43: Animal Reproduction

If you compared the genetic makeup of a female animal produced by parthenogenesis with that of its mother, which of the following would you expect?

A major evolutionary step allowing the first reptiles to succeed on land was the development of the _______.

Which of the following is and event in the uterine cycle?

Use the following to answer questions: Match the cell states listed below with the description of a cell in each question that follows. Each item may be used once, more than once, or not at all. -Initial products of germ cells in the female gonad

Use the following to answer questions: Refer to the diagram below of the human male reproductive system. -Based on the diagram, which of the following statements is true?

Pregnancy tests detect the presence of

The corpus luteum secretes the hormones _______ and _______.

In mammals, the species-specific mechanism by which egg and sperm recognize one another is found in the _______.

Which of the following contraceptive methods has a success rate greater than 95 percent?

Which of the following statements about human reproduction is false?

A reproductive technology called _______, commonly used in the production of livestock, involves placing sperm in the correct location in the female reproductive tract.

Which of the following is the immediate trigger for ovulation and formation of the corpus luteum?

Which of the following is the physiological mechanism for erection of the penis in human males?

Which of the following is not an accessory sex organ?

Progesterone and estrogen are hormones produced by the

In some female mammals, a corporus luteum does not generate completely, but turns into a spot of scar tissue. If researchers were to count multiple scar tissue spots, they would be able to determine the female's total number of

The parthenogenic whiptail lizard species, Cnemidophorus uniparens, is comprised of all females, yet they need stimulation from a male for ovulation to occur. How then do they reproduce?

Spermatogenesis and oogenesis differ in that

The function of the seminal vesicle is to

Which of the following is not a component of asexual reproduction?

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The corpus luteum secretes the hormones _ and _.