5 Written Questions

1. characteristic, such as eye color or skin color, that results from the interaction of multiple gene pairs.
2. having more than two alleles for a specific trait
3. protective cap made of DNA that is found on the ends of a chromosome.
4. characteristic, such as red-green color blindness, controlled by genes on the X chromosome; also called an X-linked trait.
5. diagrammed family history that is used to study inheritance patterns a trait through several generations and that can be used to predict disorders in future offspring.

4 Multiple Choice Questions

1. X or Y chromosome; paired sex chromosomes determine an individual's gender; XX individuals are female and XY individuals are male.
   1. telomere
   2. autosome
   3. sex chromosome
   4. codominance
2. complex inheritance pattern in which the heterozygous phenotype is intermediate between those of the two homozygous parent organisms
   1. telomere
   2. incomplete dominance
   3. codominance
   4. pedigree
3. interaction between alleles in which one allele hides the effects of another allele
   1. epistasis
   2. karyotype
   3. pedigree
   4. autosome
4. chromosome that is not a sex chromosome
   1. pedigree
   2. autosome
   3. karyotype
   4. telomere

4 True/False Questions

1. nondisjunction → complex inheritance pattern that occurs when neither allele is dominant and both alleles are expressed

   True        False

2. carrier → protective cap made of DNA that is found on the ends of a chromosome.

   True        False

3. karyotype → chromosome that is not a sex chromosome

   True        False

4. codominance → complex inheritance pattern that occurs when neither allele is dominant and both alleles are expressed

   True        False