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APHY 102 EXAM 3 Practice QUESTIONS AND ANSWERS

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APHY 102 EXAM 3 Practice QUESTIONS AND ANSWERS The female zygote receives chromosomes from: a. the mother only. b. both the mother and father. c. the father only. d. None of these is correct. b. both the mother and father. Human egg and sperm are similar in that: a. about the same numb...

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  • April 28, 2024
  • 14
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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APHY 102 EXAM 3 Practice QUESTIONS AND
ANSWERS
The female zygote receives chromosomes from:
a. the mother only.
b. both the mother and father.
c. the father only.
d. None of these is correct.
b. both the mother and father.


Human egg and sperm are similar in that:
a. about the same number of each is produced per month.
b. they have the same degree of motility
c. they are about the same size.
d. they have the same number of chromosomes.
e. All of these are correct.
d. they have the same number of chromosomes.


3. A human egg or sperm contains 24 pairs of chromosomes.
a. True b. False
b. False


The constancy of the chromosome number from one cell generation to the next is maintained
through:
a. mitosis.
b. meiosis.
c. cytokinesis.
d. DNA synthesis
e. All of these are correct.
a. mitosis.


Meiosis:
a. produces haploid cells from diploid cells.
b. is found in procaryotic and eucaryotic organisms
c. is a function of asexual and sexual reproduction.
d. is characterized by all of these.
a. produces haploid cells from diploid cells.


The adenohypophyseal hormone that triggers ovulation is estrogen.
a. True b. False
b. False


Fertilization generally occurs in:
a. the uterus.
b. the vagina.
c. the fallopian tubes.
d. the ovary.
c. the fallopian tubes.


The soft mucosal lining of the uterus is the myometrium.

, a. True b. False
b. False


A scrotal muscle that contracts in response to cold environmental temperature is the cremaster.
a. True b. False
b. False


Which of the following are unpaired in the male (i.e. there is only one of them)?
a. the vas deferens
b the seminal vesicle
c. the bulbourethral gland
d. the prostate gland
d. the prostate gland


The female hormone corresponding to the male ICSH is LH.
a. True b. False
a. True


In the human male:
a. sperm are stored in the epididymis.
b. spermatogenesis occurs in the seminiferous tubules.
c. a vasectomy is performed to terminate the transport of sperm out of the body.
d. following castration, the accessory reproduction organs decrease in size.
e. All of these are correct.
e. All of these are correct.


The male urethra serves both the urinary and reproductive systems.
a. True b. False
a. True


We have an expert-written solution to this problem!
All of the following statements about spermatogenesis are true except:
a. the spermatogonium forms the primary spermatocyte.
b. the primary spermatocyte forms two secondary spermatocytes.
c. the secondary spermatocytes each form two spermatids.
d. each spermatid forms two sperm.
d. each spermatid forms two sperm.


We have an expert-written solution to this problem!
The secretions of the bulbourethral glands neutralize traces of acidic urine in the urethra and serve as
a lubricant during sexual intercourse.
a. True b. False
a. True


We have an expert-written solution to this problem!
Characteristics of the mature sperm include:
a. the presence of X chromosomes in approximately half the sperm.
b. the presence of Y chromosomes in approximately half the sperm.
c the presence of an acrosome.

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