Name ______Period ______Date ______
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Signature: ______
DNA Assessment
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
1. ______are segments of DNA that carry traits for who you are.
a) Chromosomes
b) Genes
c) DNA
d) Proteins
2. The study of heredity is known as ______and the “Father of Genetics” is ______.
a) DNA; Darwin
b) Proteomics; Darwin
c) Radiology; Mendel
d) Genetics; Mendel
3. The molecule to the right is a ______molecule and its shape is called ______.
a) Gene; double helix
b) Chromosome; spiralis
c) DNA; double helix
d) Allele; spiralis
4. An allele is best defined as ______.
a) One of the genes in your cells
b) A physical characteristic
c) A specific form of a gene
d) A chromosome
5. Which of the following statements proves that some traits can have several variations?
a) Ned has hazel eyes, but his sister, Jenn, has blue eyes
b) My mother has black hair, but I have blond hair
c) At age 6, none of my siblings were the same height
d) All of the above
6. What is the function of DNA?
a) Containing instructions for directing the metabolic activity of the cell
b) Storing and passing on genetic information
c) Producing cellular mutations
d) Influencing traits that are not inheritable
7. For the following, write “I” for inherited and “N” for not inherited.
______Eye Color
______Hair Color
______Bone Structure
______Size of Muscles
______Shape of Nose
______Piano Skills
______Knowledge/Ideas
______A skunk’s ability to spray
For questions 8 through 11, use the information in the paragraph below.
Blue flowers (B) are dominant. Green flowers (b) are recessive. A male blue flower plant with genotype Bb is crossed with a female blue flower plant with genotype Bb.
Circle the correct answer. In some cases, you will need to explain your answer for full credit.
8. The dominant trait is: blue flowers / green flowers / purple flowers
9. The recessive trait is: blue flowers / green flowers / purple flowers
10. The genotype of green flowers is: bb / Bb / BB
because ______.
11. Complete the Punnett square using the information in the paragraph below.
Blue flowers (B) are dominant. Green flowers (b) are recessive. A male blue flower plant with genotype Bb is crossed with a female blue flower plant with genotype Bb.
12. What is the percentage of offspring that will have green flowers?
a) 0%
b) 25%
c) 50%
d) 75%
13. Essay Question
Genetic engineering has many uses in medicine, agriculture, and biology. Identify and explain at least one example of how genetic engineering has been used to develop a desired product.
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Describe how the following scientists helped in our understanding of DNA and genetics. Use complete sentences.
14. Watson and Crick –
15. Rosalind Franklin –
16. Gregor Mendel –