Part 1: Interactive DNA Discovery
Use any of the links below to complete the Interactive DNA Discovery activity on the 23andMe website. Click Get
... [Show More] Started
to begin and Next to move through the activity. As you move through the activity, answer the following questions.
Full URL: https://education.23andme.com/dna-discovery/# Tiny URL: https://tinyurl.com/u4e8z6e
1. In which organelle is most DNA found?_Nucleus__________________________
2. How many chromosomes do you inherit from your father? 23_________ How many from your mother?
___ 23______
3. If you are male, what combination of chromosomes do you have?__XY_______ If female?___XX_______
4. What does DNA contain instructions for? Contains instruction for making proteins and
RNA’s____________________________________________________________
5. What is the role of proteins?_ They carry out tasks necessary for building and maintaining the cell, like transporting
oxygen, detecting invading bacteria, forming the structure of your hair, and countless other
jobs.______________________________________________________________________
6. What are the sections of DNA that contain instructions for making proteins called?
__Genes_________________________
7. Does all of an organism’s DNA code for proteins?___No____________
8. What does T pair with? __A________ What does G pair with?__C_________
9. If a DNA sequence is A-T-G-A-C, write the sequence of base pairs that would pair with it.___T-A-C-T-G
10. What percent of humans’ DNA sequences are identical? _99.5%_______________
11. Can traits be determined by more than one gene?___Yes__________________
12. What factors influence your traits?__Genetics, lifestyle and environment
________________________________________________________________
Part 2: DNA Structure and Function Video
Use any of the links below to watch the DNA Structure video by Teachers Pet. As you watch, answer the following
questions. Tiny URL: https://tinyurl.com/h55cdnx Full URL: https://www.youtube.com/watch?v=C1CRrtkWwu0
13. What does DNA stand for?__Deoxyribo Nucleic
Acid_________________________________________________________________
14. What does the information contained in DNA determine? The information determines inherited
characteristics_________________________________________
15. What does DNA code for? It codes for making proteins__________________________________
16. What are the monomers of DNA called?_nucleotides_______________________
17. What are the four nitrogen bases contained in DNA?
a. _Adenine_______________________________
DNA and DNA Replication Webquest © Science Is Real
Nucleotide
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b. _Thymine_______________________________
c. _Cytosine_______________________________
d. _Guanine_______________________________
18. What phrase is used to describe the structure of DNA?_Double Helix___________________________
19. What is the backbone of DNA composed of?_Alternating sugar and phosphate
molecules___________________________________________________
20. Which base pairs with adenine?_Thymine_____________________ Which base pairs with cytosine?
_Guanine___________________ [Show Less]