Review Questions for Mendelian Genetics TEST

1.   Name 3 autosomal recessive traits

2.   Name 3 autosomal dominant traits

3.   Name 3 sex-linked recessive traits

4.   What is the method of inheritance for the human ABO blood group?

5.   If three traits are possible from one pair of alleles, what type of inheritance is involved?

6.   What is the expected phenotypic ratio in the F2 of a monohybrid cross?  Dihybrid cross?

7.  What disease is characterized by weak connective tissue, with affected individuals often dying suddenly
        from a burst aorta?

8.  What disease appears in mid-life (40's, generally) and includes nervous system degeneration, eventual dementia,
        and death within 15 years of diagnosis?

9.  If you complete a Punnett Square for an F1 cross and expect a 3:1 ratio in the offspring, but ALWAYS get only a
        2:1 ratio, what should you expect is happening?

10.  Go back and redo all problems in your notes.

11.  Go over all pedigree symbols.

12.  Name one tumor suppressor gene.

13.  Why  are people never born with two mutated forms of a tumor suppressor gene.

14.  For  each of the pedigrees below, determine the most likely mode of inheritance.  Then determine the genotypes
          of all individuals on the pedigree