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5 Written questions

5 Matching questions

  1. 14 grams
  2. effector
  3. Down syndrome
  4. Genotype
  5. Tumor Suppressors
  1. a the alleles (Ww) that make a phenotype (physical trait)
  2. b at 12 weeks, the fetus weighs ___
  3. c muscle or gland that responds to the initial stimulus or receptor
  4. d there are three copies of chromosome 21.
  5. e genes code from the proteins that inhibit the cell cycle.
    *mutations turn off genes that allow the slow down of the cell cycle, DNA repair and cell death

5 Multiple choice questions

  1. pathway of blood through human heart
  2. "old eyes" or the loss of flexibility in the eye's lens
  3. resemble a half moon. the normal red blood cells are the circular non-nucleated red cells.
  4. (XXX, chromosome 23) occurs when an extra chromosome ends up in the 23rd position.

    *no signs. females seem normal. may be infertile.
  5. all the body cells except the reproductive cells (somatic or body cells)

5 True/False questions

  1. 12 weeksall basic structures have formed by ___

          

  2. Thalamusbody temp, blood pressure, respiration, heartbeat, directs pituitary gland secretions

          

  3. Mesodermthis human germ layer contains: skin covering, nervous system, eyes, inner ear, lining of nose and mouth.

          

  4. Stages of Early DevelopmentZygote, 2-cell, 4-cell, 8-cell, Morula, Blastula, Gastrula

          

  5. Hypothalamusbody temp, blood pressure, respiration, heartbeat, directs pituitary gland secretions

          

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