BIO 101 � Human Biology Final Exam

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BIO 101–HUMAN BIOLOGYFinal Exam–Please fill in your name and SOLAR ID number on your answer sheetbefore starting, and bubble in the corresponding ovals. Do not writeanything else on the opscansheet (except for the answers, of course!)Answers to the multiple choice questions must be filled in on the answersheet with a #2 pencil. There are 60 multiple choice questions.Answer sheets will be collected when time is called at 5 pm. If you finishbefore that time you may hand in your answer sheet and leave (everyonemust stay until 2:45). Answers and grades will be posted ASAP onBlackboard.Thank you for being wonderful people and making the semester enjoyable–good luck in all of your future pursuits. Enjoy the summer!SELECT THE BEST ANSWER!! GOOD LUCK!1. Which karyotype(s) shows a “normal” male individual (i.e., a male individual with noaneuploidies)?A. A and BB. B only @C. C onlyD. D onlyE. A, B, C & D2. Which karyotype(s) shows an individual with Turner’s syndrome?A. A onlyB. C onlyC. B and CD. D only @E. A and D3. Fertilization normally takes place in which structure?A. the vaginaB. the uterusC. an oviduct @D. the endometriumE. an epididymis4. The organ of sexualstimulation and pleasure in the female reproductive system is the:A. uterusB. ovaryC. vaginaD. clitoris @E. vulva5. In the human female, a blastocyst implants into the:A. uterus @B. oviductC. vaginaD. ovaryE. cervix6. Which extraembryonic membrane contains a fluid that surrounds and bathes the embryo?A. yolk sac

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B. allantoisC. amnion @D. umbilical cordE. chorion7. Immediately after fertilization, the zygote begins toA. expand as it fills with waterB. disintegrateC. travel through theoviduct back towards the ovaryD. divide by cleavage @E. become a polar body8. During the formation of an embryo, a solid ball of cells is termed aA. blastulaB. gastrulaC. neurulaD. fetusE. morula @9. Fetal development begins with theA. first monthB. first weekC. third month @D. sixth monthE. seventh month10. The organ that receives the penis during sexual intercourse is theA. ovaryB. uterusC. vagina @D. oviductE. follicle11. The sex chromosome composition of a person with Klinefelter syndrome isA. XXXB. XOC. XXY @D. XYYE. XX12. Down syndrome involves trisomy of chromosomeA. 3B. 5C. 15D. 19E. 21 @13. The body cells of a normal human male contain _____ chromosomes.A. 22B. 46 @C. 92D. 21E. 4714. From which germ layerdoes the nervous system develop?A. mesodermA. ectoderm @B. endoderm15. If a human inherits two X chromosomes, the person will (normally) be

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