Answered: For items 16-25 choose the letter of…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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For items 16-25 choose the letter of the best answer. No more explanations. 16. Which process happens simultaneously with the formation of mitotic spindle in prophase? A. disappearance of nucleolus B. chromosomal alignment in the middle C. chromatids separate from each other D. nucleoli reappear 17. In which organism does the formation of the cleavage furrow occurs? A. cat В. сасао treе C. mahogany tree D. sunflower 18. If a certain organism has 2n = 100 chromosomes, how many are its chromosomes in its body cells? A. 2n = 50 B. 2n = 100 C. n = 50 D. n = 100 19. Which of the following is NOT found in a karyogram of a person with Down syndrome? A. varying length of chromosomes B. history of lifetime diseases C. excess chromosomal pairs D. chromosomal number 20. Which of the following statements regarding mitosis and meiosis is FALSE? A. a normal human zygote consists of 23 chromosomes B. meiosis only occurs in the reproductive organs such as ovaries and testes C. all sexual life cycles are composed of altenation of diploid and haploid stages D. mitosis produces daughter cells with the full number of chromosomes as parent cell 21. In which phase of meiosis do synapsis and crossing-over happen? A. interphase I B. metaphase I C. prophase I D. prophase II 22. Which of the following is the condition where an abnormal egg cell bearing two (2) X-chromosomes is fertilized by a Y sperm? A. Patau syndrome B. Jacob syndrome C. Klinefelter syndrome D. Down syndrome 23. Which is NOT a characteristic of persons with Down syndrome? A. 47 chromosomes B. slanted eyes C. mentally retarded D. abnormally tall 24. Which of the following statements regarding cell division is NOT true? A. required for development to occur B. able to reproduce an organism C. common in eukaryotes and prokaryotes D. basis for sexual reproduction only 25. Which diseases can be seen in the human genome map? A. AIDS B. Bacterial infection C. Cancer D. Dental problems

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