The Student Quiz<br />Genetics<br />Write T for true and F for false.<br /><ul><li>Alleles are alternate forms of genes an...
Defects in the developing fetus are called genetic disorder. __   F
An example hemizygot is the sex chromosomes.__   T
Genetic heterogeneity is mutations of different genes causing the same disease. __T
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Genetics lesson1

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Genetics lesson1

  1. 1. The Student Quiz<br />Genetics<br />Write T for true and F for false.<br /><ul><li>Alleles are alternate forms of genes and may be variations of normal blood groups. __ T
  2. 2. Defects in the developing fetus are called genetic disorder. __ F
  3. 3. An example hemizygot is the sex chromosomes.__ T
  4. 4. Genetic heterogeneity is mutations of different genes causing the same disease. __T
  5. 5. Mendelian inheritance –single gene defects include X-linked recessive and is also determined by environmental factors. __ F</li></ul> Circle the correct answer (can be more than one): <br /><ul><li>Recessive inheritance is : ( both a and b)
  6. 6. a. kind of mendelian inheritance
  7. 7. b. when the trait is expressed in homozygote (dd)
  8. 8. c. when the trait is expressed in heterozygote (Dd)</li></ul> 2-Autosomal inheritance: ( C )<br /> a. 1-10 chromosomes<br /> b. 1-24 chromosomes<br /> c. 1-22 chromosomes<br />3- A Pedigree is(a)<br /><ul><li>is a family tree diagram that shows how a particular genetic trait or disease has been inherited through many generations of a family
  9. 9. Inheritance of diseases
  10. 10. History of medical conditions in families.</li></ul> <br />4- Dentinogenesis Imperfecta is an example of: (A)<br />a. autosomal dominant inheritance<br />b. autosomal recessive inheritance<br />c. X linked dominant inheritance<br />2552700210185<br />5-The following picture shows: © <br />a. autosomal dominant inheritance<br />b. autosomal recessive inheritance<br />c. X linked dominant inheritance<br />2552700224790<br />6-The following picture shows: (B)<br />a. autosomal recessive inheritance<br />b. autosomal dominant inheritance<br />c. X-linked dominanat inheritance<br />3076575191770<br />7-In picture B: (A)<br />a. indicates autosomal recessive inheritance<br />b. Indicates autosomal dominant inheritance<br />c. none of the above<br />8- dystrophy and red green colour-blindness are two examples of: ©<br />a. autosomal dominant inheritance<br />b. autosomal recessive inheritance<br />c. X linked recessive disorder<br />255270009-the following pictures shows: (a) <br /> a. Y-linked inherited features<br /> b. X-linked inherited feature<br /> c. none of the above<br />10- Familial Hypercholesterolemia: (b) &(C)<br /> a. is a recessive dominance<br /> b. is an incomplete dominance<br /> c. is a dominant disorder<br />11- Which of the following is codominance: ©<br />a. type blood O<br />b. type blood A and type blood B<br />c. type blood AB<br />P.S: Dear dentists to know the correct answer simply select the whole text and apply the black color. (I’ve chosen the white color to hide the answers so you can change the color to another clear color to know the answer.)<br />Done by: Hessa Habib<br />

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