6 Written Questions

1. segments of DNA that carry hereditary instructions and are passed from parent to off-spring; located on chromosomes
2. the scientific study of heredity
3. the mathematical chance that an event will occur
4. an egg or sperm; a sex cell carries half the number of chromosomes found in other body cells
5. cell division that produces sex cells
6. A characteristic that an organism can pass on to its offspring through its genes

5 Multiple Choice Questions

1. the chromosomes that carry genes that determine the sex of off-spring
   1. sex chromosomes
   2. sex cells
   3. meiosis
   4. chromosomes
2. only one parent cell is needed for reproduction
   1. sex chromosomes
   2. sexual reproduction
   3. sex cells
   4. asexual reproduction
3. contains DNA that caries genetic information; a double rod of condensed chromatin
   1. sex chromosomes
   2. meiosis
   3. chromosomes
   4. phenotype
4. the inherited combination of alleles
   1. genetics
   2. phenotype
   3. genotype
   4. gene
5. two parent cells join together to form a new individual
   1. sex cells
   2. sex chromosomes
   3. sexual reproduction
   4. asexual reproduction

5 True/False Questions

1. recessive allele (trait) → a trait that is apparent only when two recessive alleles for the same characteristic are inherited

   True        False

2. dominant allele (trait) → the trait observed when at least one dominant allele for a characteristic is inherited

   True        False

3. alleles → segments of DNA that carry hereditary instructions and are passed from parent to off-spring; located on chromosomes

   True        False

4. heredity → the passing of traits from parent to off-spring

   True        False

5. phenotype → the inherited combination of alleles

   True        False