DNA – Tour of the Basics
Directions:
1) Go to the website http://learn.genetics.utah.edu/
2) Click…Tour of the Basics
3) Go through the tour to find the answers to the following questions.
Questions:
1) How do cells know what their roles are in living things?
2) What is DNA?
3) How do the “Letters” work in providing detailed information to the cells?
4) What is the job of proteins in the DNA?
5) What is a Gene?
6) What is Hemoglobin and where can it be found?
7) Besides Hemoglobin, what are some other proteins (list at least 3) that can be found in your cells?
8) How long would the DNA strands be in a human being?
9) What packages the DNA strands within the cell?
10) How are chromosomes formed?
11) How many chromosomes does each human cell hold? Except for (male sex cell) and (female sex cell) they only have chromosomes.
12) What can you tell from looking at your chromosomes?
13) What are the sex chromosomes? and Explain how they can be used to determine the sex (gender) of a person.
14) How many chromosomes does a mosquito have? An onion? A carp?
15) How do proteins work in the body?
16) How do proteins work to send pain impulses to the brain?
17) Describe structural proteins.
18) What defines the traits that you have?
19) How do we inherit our traits from our parents?
20) What is an inherited trait? An acquired trait?
21) What types of traits exist?
22) What defines these different types of traits?
23) What is an allele?
24) What is meant by homozygous? Give an example.
25) What is meant by heterozygous? Give an example.
26) How are traits inherited?
27) Describe incomplete dominance.
28) Describe the difference between single gene traits and complex traits.
29) How identical are humans to each other?