Bio 211 Sample Exam 4 Chapters 27, 28, 29 Reproduction/ Development/ Genetics The exam only is on pages 1 - 8, the exam with the answers highlighted is on pages 9-16. 1. 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 2. Fertilization generally occurs in the: A. Uterus B. Vagina C. Fallopian tubes D. Ovary 3. All of the following can be considererd male secondary sex characteristics except: A. Development of body hair B. Lowering of voice C. Development of testes as opposed to ovaries D. Increase in bone mass 4. All of the following statements about spermatogenesis are true except: A. It takes place in the seminiferous tubules. B. Each primary spermatocyte forms two secondary spermatocytes. C. Each spermatid forms two sperm. D. Testosterone is required. 5. The basic difference between spermatogenesis and oogenesis is: A. During spermatogenesis two more polar bodies are produced B. The mature ovum is n while the sperm is 2n C. In oogenesis, one mature ovum is produced and in spermatogenesis 4 mature sperm are produced. D. Spermatogensis involves mitosis and meiosis but oogensis involves meiosis only. 6. The cells that produce testosterone in the testis are called: A. Sertoli cells B. Spermatogonia C. Spermatocytes D. Interstitial or Leydig cells 1 7. Gametes contain: A. 23 chromosomes B. 46 chromosomes C. Polar bodies D. Follicular fluid 8. Sperm are stored in the: A. Vas deferens B. Testes C. Epididymis D. Prostate E. Seminal vesicles 9. Which of the following is not a phase of the ovarian cycle? A. Follicular B. Uterine C. Ovulatory D. Luteal 10. The secretions of the seminal vesicle contains this nutrient as an energy supply for sperm: A. Sucrose B. Fructose C. Glycogen D. Protein E. Glucose 11. The first cell after fertilization of the ovum with the sperm is the: A. Embryo B. Zygote C. Fetus D. Gamete E. Oogonium 12. This hormone is released from the pituitary gland to stimulate uterine contraction. A. Estrogen B. Progesterone C. Oxytocin D. Prolactin E. LH 2 13. Spermatogenesis: A. Is the process of releasing mature sperm cells into the lumen of the seminiferous tubule. B. Involves a type of cell division limited to the gametes. C. Results in the formation of diploid cells D. Uses mitosis to produce gamete cells. E. All of these 14. During meiosis I: A. 4 gametes are formed B. Two polar bodies appear C. Crossing over or chiasma occurs D. Replicated or sister chromatids separate E. Mitosis begins 15. The membrane that develops around the embryo is the: A. Umbilical B. Placenta C. Amnion D. Yolk sac 16. Select the correct statement about the hormonal events of the ovarian cycle. A. Progesterone stimulates follicle development B. The lh surge stimulates ovulation C. Ovulation must occur for menstruation to begin. D. Estrogen is in its highest levels after ovulation. E. None of these. 17. Maturation of ovum occurs by the process of: A. Puberty B. Spermatogenesis C. Fertilization D. Oogenesis E. Implantation 18. Give the correct order in the transport of sperm including the addition of other semen components: 1. Vas deferens 2. Epididymis 3. Prostate 4. Bulbourethral glands 5. Seminal vesicles 6. Ejaculatory duct A. 1,2,4,3,5,6 B. 2,3,1,4,5,6 C. 2,1,5,6,3,4 D. 2,1,3,6,5,4 E. 5,2,1,3,4,5 3 Match the following. A. Bulbourethral glands B. Cervix C. Corpus cavernosa D. Epididymis E. Foreskin AB. Hymen AC. Clitoris AD. Ovary AE. Ovulation BC. Prostate gland BD. Scrotum BE. Testes CD. Uterine tubes CE. Uterus DE. Seminal vesicles 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. Where the fetus develops Female external genitalia corresponding to the penis Neck of the uterus Release of a oocyte from the ovary Secretes a solution important in neutralizing urethra before sperm pass Erectile tissue in the make Partially closes the vaginal orifice Male gonad External sac enclosing the testes Removed in circumcision Structure in which sperm mature and is stored Produces a nutrient solution for sperm Surrounds the urethra at the base of the bladder Site of oogenesis Female gonad 34. The male urethra serves both the urinary and reproductive systems. A. True B. False 35. A zygote is: A. Haploid B. A morula C. Diploid D. An ovum E. Implanted in the endometrium 36. The correct sequence of pre-embryonic structures is: A. Zygote, blastomere, morula B. Zygote, morula, blastomere C. Blastomere, morula, zygote. D. None of these 37. An infant's physical status at birth is based on: A. Heart rate and respiration B. Reflexes C. Color D. Muscle tone E. All of these are correct 4 38. During pregnancy, the corpus luteum normally produces estrogen and progesterone: A. Until implantation of the embryo B. Until the placenta is functional C. For the entire pregnancy D. The corpus luteum is not important after fertilization. 39. The number of oocytes in the ovary are greater at birth and continue to decline with age. A. True B. False 40. After fertilization the developmental stage between the second and eighth week is the: A. Fetus B. Embryo C. Zygote D. Puberty E. Pre-embryo 41. Hereditary characteristics are transmitted to offspring by: A. Only by the sex chromosomes B. Genes on chromosomes C. Phenotypes D. Organogenesis 42. The expression or appearance of a genetic trait is the: A. Genotype B. Gene C. Allele D. Phenotype E. Polygene 43. Genes for the same trait on homologous chromosomes are A. Genotypes B. Alleles C. Phenotypes D. Polygenes 44. Gene abnormalities on the x sex chromosome of the human would tend to become visibly expressed: A. More frequently in males B. More frequently in females C. Equally frequently in both sexes D. Would not change the phenotype 45. If a couple has a child with thalessemia and neither parent has thalessemia which statement is correct? A. The child cannot be theirs. B. Both parents must have heterozygous alleles and the offspring is homozygous for the recessive trait. C. Both parents must be homozygous for the trait in order for the phenotype to be expressed in their offspring. D. The offspring had a 50% chance of having thalesemia. 5 46. The muscular layer of the uterus is the: A. Endometrium B. Perimetrium C. Myometrium D. Epimetrium 47. The skeletal muscle important in suspending the testes in the scotum is the: A. Dartos B. Cremaster C. Epididymis D. Rete testes 48. All of the following are normal physiological changes in pregnancy except: A. Increased urine output B. Increase blood pressure C. Increase in total body water D. Increased sugar in the urine E. Increased heartrate 49. The first milk produced by the mother is high in antibodies and is called: A. Lactation B. Apgar C. Episiotomy D. Colostrum E. None of these 50. In parturition this structure must dilate: A. Vagina B. Cervix C. Uterus D. Pupil 51. Fingerlike projections from the fallopian tubes: A. Tunica albuginea B. Isthmus C. Fimbriae D. Graafian follicle 52. Sperm move from the epidydimis into the: A. Prostate B. Rete testes C. Vas deferens D. Semininal vesicle 53. Following ovulation the follicular cells of the ovaries enlarge to form a structure called the: A. Graafian follicle B. Corpus luteum C. Placenta D. Endometrium 6 54. The endometrium is the inner layer of the: A. Fallopian tube B. Uterus C. Ovary D. Vagina 55. The hormone responsible for maintenance of female secondary sexual characteristics: A. Estrogen B. Progesterone C. Testosterone D. Lutenizing hormone 56. The foramen ovale is an opening that allows fetal blood to pass from: A. Left atrium to right atrium B. Right atrium to left atrium C. Left ventricle to right ventricle D. Right ventricle to left ventricle E. Pulmonary artery to aorta 57. The production of milk by the female mammary glands is initiated by: A. FSH B. Prolactin C. LH D. Estrogen E. Progesterone 58. The combining of egg and sperm chromosome is called: A. Ovulation B. Implantation C. Cleavage D. Fertilization 59. Nutrients and oxygen enter the developing fetus by way of the: A. Hepatic portal vein B. Umbilical vein C. Umbilical artery D. Ductus arteriosus 60. The fetal stage of development begins at the end of the A. Second week B. Fourth week C. Eight week D. Tenth week 61. The graafian follicle: A. Releases the ovum at ovulation B. Matures with stimulation by fsh C. Forms the corpus luteum after ovulation D. Matures from a primary follicle E. All of these 7 62. Maleness is determined by the: A. X chromosome B. 2 X chromosomes C. Y chromosome D. Chromosome #21 63. The hormone produced in highest concentration during the luteal phase is: A. LH B. Prolactin C. Fsh D. Estrogen E. Progesterone 64. If you where homozygous for a particular trait your genotype would be (w = dominant, w= recessive): A. Ww B. WW C. Ww D. Either B or C E. Either A or B 65. The fertilized cell begins dividing by mitosis without an increase in size by: A. Morula B. Blastomere C. Cleavage D. Meiosis E. Hypertrophy Bonus: 1. Follow the pathway of the sperm in the female reproductive tract until fertilization of the ovum. 2. Follow the ovum from ovulation to implantation (include fertilization). 8 Bio 211 Sample Exam 4 1. 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 2. Fertilization generally occurs in the: A. Uterus B. Vagina C. Fallopian tubes D. Ovary 3. All of the following can be considererd male secondary sex characteristics except: A. Development of body hair B. Lowering of voice C. Development of testes as opposed to ovaries D. Increase in bone mass 4. All of the following statements about spermatogenesis are true except: A. It takes place in the seminiferous tubules. B. Each primary spermatocyte forms two secondary spermatocytes. C. Each spermatid forms two sperm. D. Testosterone is required. 5. The basic difference between spermatogenesis and oogenesis is: A. During spermatogenesis two more polar bodies are produced B. The mature ovum is n while the sperm is 2n C. In oogenesis, one mature ovum is produced and in spermatogenesis 4 mature sperm are produced. D. Spermatogensis involves mitosis and meiosis but oogensis involves meiosis only. 6. The cells that produce testosterone in the testis are called: A. Sertoli cells B. Spermatogonia C. Spermatocytes D. Interstitial or Leydig cells 7. Gametes contain: A. 23 chromosomes B. 46 chromosomes C. Polar bodies D. Follicular fluid 9 8. Sperm are stored in the: A. Vas deferens B. Testes C. Epididymis D. Prostate E. Seminal vesicles 9. Which of the following is not a phase of the ovarian cycle? A. Follicular B. Uterine C. Ovulatory D. Luteal 10. The secretions of the seminal vesicle contains this nutrient as an energy supply for sperm: A. Sucrose B. Fructose C. Glycogen D. Protein E. Glucose 11. The first cell after fertilization of the ovum with the sperm is the: A. Embryo B. Zygote C. Fetus D. Gamete E. Oogonium 12. This hormone is released from the pituitary gland to stimulate uterine contraction. A. Estrogen B. Progesterone C. Oxytocin D. Prolactin E. LH 13. Spermatogenesis: A. Is the process of releasing mature sperm cells into the lumen of the seminiferous tubule. B. Involves a type of cell division limited to the gametes. C. Results in the formation of diploid cells D. Uses mitosis to produce gamete cells. E. All of these 14. During meiosis I: A. 4 gametes are formed B. Two polar bodies appear C. Crossing over or chiasma occurs D. Replicated or sister chromatids separate E. Mitosis begins 10 15. The membrane that develops around the embryo is the: A. Umbilical B. Placenta C. Amnion D. Yolk sac 16. Select the correct statement about the hormonal events of the ovarian cycle. A. Progesterone stimulates follicle development B. The lh surge stimulates ovulation C. Ovulation must occur for menstruation to begin. D. Estrogen is in its highest levels after ovulation. E. None of these. 17. Maturation of ovum occurs by the process of: A. Puberty B. Spermatogenesis C. Fertilization D. Oogenesis E. Implantation 18. Give the correct order in the transport of sperm including the addition of other semen components: 1 Vas deferens 2 Epididymis 3 Prostate 4 Bulbourethral glands 5 Seminal vesicles 6 Ejaculatory duct A. 1,2,4,3,5,6 B. 2,3,1,4,5,6 C. 2,1,5,6,3,4 D. 2,1,3,6,5,4 E. 5,2,1,3,4,5 11 Match the following. A. Bulbourethral glands B. Cervix C. Corpus cavernosa D. Epididymis E. Foreskin AB. Hymen AC. Clitoris AD. Ovary AE. Ovulation BC. Prostate gland BD. Scrotum BE. Testes CD. Uterine tubes CE. Uterus DE. Seminal vesicles 19. Where the fetus develops CE 20. Female external genitalia corresponding to the penis AC 21. Neck of the uterus B 22. Release of a oocyte from the ovary AE 23. Secretes a solution important in neutralizing urethra before sperm pass A 24. Erectile tissue in the make C 25. Partially closes the vaginal orifice AB 26. Male gonad BE 27. External sac enclosing the testes BD 28. Removed in circumcision E 29. Structure in which sperm mature and is stored D 30. Produces a nutrient solution for sperm DE 31. Surrounds the urethra at the base of the bladder BC 32. Site of oogenesis AD 33. Female gonad AD 34. The male urethra serves both the urinary and reproductive systems. A. True B. False 35. A zygote is: A. Haploid B. A morula C. Diploid D. An ovum E. Implanted in the endometrium 36. The correct sequence of pre-embryonic structures is: A. Zygote, blastomere, morula B. Zygote, morula, blastomere C. Blastomere, morula, zygote. D. None of these 37. An infant's physical status at birth is based on: A. Heart rate and respiration B. Reflexes C. Color D. Muscle tone E. All of these are correct 12 38. During pregnancy, the corpus luteum normally produces estrogen and progesterone: A. Until implantation of the embryo B. Until the placenta is functional C. For the entire pregnancy D. The corpus luteum is not important after fertilization. 39. The number of oocytes in the ovary are greater at birth and continue to decline with age. A. True B. False 40. After fertilization the developmental stage between the second and eighth week is the: A. Fetus B. Embryo C. Zygote D. Puberty E. Pre-embryo 41. Hereditary characteristics are transmitted to offspring by: A. Only by the sex chromosomes B. Genes on chromosomes C. Phenotypes D. Organogenesis 42. The expression or appearance of a genetic trait is the: A. Genotype B. Gene C. Allele D. Phenotype E. Polygene 43. Genes for the same trait on homologous chromosomes are A. Genotypes B. Alleles C. Phenotypes D. Polygenes 44. Gene abnormalities on the x sex chromosome of the human would tend to become visibly expressed: A. More frequently in males B. More frequently in females C. Equally frequently in both sexes D. Would not change the phenotype 45. If a couple has a child with thalessemia and neither parent has thalessemia which statement is correct? A. The child cannot be theirs. B. Both parents must have heterozygous alleles and the offspring is homozygous for the recessive trait. C. Both parents must be homozygous for the trait in order for the phenotype to be expressed in their offspring. D. The offspring had a 50% chance of having thalesemia. 13 46. The muscular layer of the uterus is the: A. Endometrium B. Perimetrium C. Myometrium D. Epimetrium 47. The skeletal muscle important in suspending the testes in the scotum is the: A. Dartos B. Cremaster C. Epididymis D. Rete testes 48. All of the following are normal physiological changes in pregnancy except: A. Increased urine output B. Increase blood pressure C. Increase in total body water D. Increased sugar in the urine E. Increased heartrate 49. The first milk produced by the mother is high in antibodies and is called: A. Lactation B. Apgar C. Episiotomy D. Colostrum E. None of these 50. In parturition this structure must dilate: A. Vagina B. Cervix C. Uterus D. Pupil 51. Fingerlike projections from the fallopian tubes: A. Tunica albuginea B. Isthmus C. Fimbriae D. Graafian follicle 52. Sperm move from the epidydimis into the: A. Prostate B. Rete testes C. Vas deferens D. Semininal vesicle 53. Following ovulation the follicular cells of the ovaries enlarge to form a structure called the: A. Graafian follicle B. Corpus luteum C. Placenta D. Endometrium 14 54. The endometrium is the inner layer of the: A. Fallopian tube B. Uterus C. Ovary D. Vagina 55. The hormone responsible for maintenance of female secondary sexual characteristics: A. Estrogen B. Progesterone C. Testosterone D. Lutenizing hormone 56. The foramen ovale is an opening that allows fetal blood to pass from: A. Left atrium to right atrium B. Right atrium to left atrium C. Left ventricle to right ventricle D. Right ventricle to left ventricle E. Pulmonary artery to aorta 57. The production of milk by the female mammary glands is initiated by: A. FSH B. Prolactin C. LH D. Estrogen E. Progesterone 58. The combining of egg and sperm chromosome is called: A. Ovulation B. Implantation C. Cleavage D. Fertilization 59. Nutrients and oxygen enter the developing fetus by way of the: A. Hepatic portal vein B. Umbilical vein C. Umbilical artery D. Ductus arteriosus 60. The fetal stage of development begins at the end of the A. Second week B. Fourth week C. Eight week D. Tenth week 61. The graafian follicle: A. Releases the ovum at ovulation B. Matures with stimulation by fsh C. Forms the corpus luteum after ovulation D. Matures from a primary follicle E. All of these 15 62. Maleness is determined by the: A. X chromosome B. 2 X chromosomes C. Y chromosome D. Chromosome #21 63. The hormone produced in highest concentration during the luteal phase is: A. LH B. Prolactin C. Fsh D. Estrogen E. Progesterone 64. If you where homozygous for a particular trait your genotype would be (w = dominant, w= recessive): A. Ww B. WW C. Ww D. Either B or C E. Either A or B 65. The fertilized cell begins dividing by mitosis without an increase in size by: A. Morula B. Blastomere C. Cleavage D. Meiosis E. Hypertrophy Bonus: 1. Follow the pathway of the sperm in the female reproductive tract until fertilization of the ovum. Vagina - cervix - uterus – uterine tubes 2. Follow the ovum from ovulation to implantation (include fertilization). Graafian follicle – uterine tube – fertilization in uterine tube - uterus 16