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5 Written questions

5 Matching questions

  1. Binary Fission
  2. Meiosis
  3. M Stage (Mitosis)
  4. Prophase II
  5. Uterus
  1. a - site of fetal development
  2. b - prokaryotes' way of of cell division
    - a type of asexual reproduction
    - splits into two equal halves, each daughter cell receives a complete copy of the original chromosome
  3. c - centrioles migrate to opposite poles
    - spindle apparatus forms
  4. d - only occurs in the sex cells
    - meiosis I produces two intermediate daughter cells
    - meiosis II is similar to mitosis, it separates sister chromatids and results in four genetically distinct haploid gametes
  5. e - mitosis: division and distribution of the cell's DNA to its two daughter cells such that each cell receives a complete copy of the original genome
    - cytokinesis: division of cytoplasm that follows
    - happens on somatic cells only
    - 2N --> 2N (ends up with two diploid cells)

5 Multiple choice questions

  1. homologous chromosomes come together and intertwine
  2. - the first time a female gets her period
  3. - the longest part of the cell cycle
    - a cell normally spends at least 90% of the cycle in interphase
  4. - fusion of two gametes (specialized sex cells produced by each parent)
    - meiosis is the process where the sex cells are produced
    - mitosis preserves the diploid chromosome number while meiosis halves it
    - somatic cells undergo mitosis, gametocytes undergo meiosis
    - during fertilization, two haploid gametes fuse, restoring the diploid number
  5. - sperm and egg
    - produced in gonads

5 True/False questions

  1. Metaphase- homolgous pairs (tetrads) align at the equatorial plane
    - each pair attaches to a separate spindle fiber by its kinetochore

          

  2. Epididymuswhere sperm acquire motility and stored here till ejaculation

          

  3. Anaphase I- sister chromatids are pulled to opposite poles by the spindle fibers

          

  4. Spermatogenesis Process- spermatogonia (diploid) differentiate into primary spermatocytes (diploid)
    - primary spermatocytes undergo the first meiotic division and yield two secondary spermatocytes (haploid)
    - secondary spermatocytes undergo second meiotic division and yield four spermatids (haploid)
    - spermatogonia (2N) --> 1° spermatocytes (2N) --> meiosis I --> 2° spermatocytes (N) --> spermatids (N) --> spermatozoa (N)

          

  5. Oogenesis- production of female gametes
    - occurs in the ovarian follicles
    - one primary oocyte completes meiosis I per month after menarche
    - yields two secondary oocyte and a polar body
    - secondary oocyte is expelled from the follicle during ovulation
    - meiosis II doesn't occur till fertilization

          

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