Tour of the Basics

ANSWERSName______per____

Complete the following sections of this site. You may type in the web address or search for Tour of the Basics

What is DNA?

  1. Where in a cell is DNA located? NUCLEUS
  2. What does DNA stand for? DEOXYRIBONUCLEIC ACID
  3. How is it like a blueprint? ENCODES A DETAILED SET OF PLANSFORBUILDING DIFFERENT PARTS OF A CELL
  4. What is the “alphabet” this DNA code? ATCG
  5. What are the rules for pairing the nitrogen bases?

___pairs with ____ and ___pairs with ____

  1. What do these letters stand for
  2. A______
  3. T______
  4. C______
  5. G______
  1. How many letters are used to make one “word” of the DNA code? 3
  2. What do many of these DNA code words make? SENTENCE OR GENE

What is a gene?

  1. Genes are INSTRUCTION MANUALS OR DIRECTIONS FOR MAKING ALL THE PROTEIN THAT MAKE OUR BODIES FUNCTION
  2. Draw and label a strand of DNA below and then draw and label one gene on that DNA stran
  3. Use your picture to complete the sentence: ______are made of ______
  4. What is a mutation?
  5. What disorder is caused by a mutation of Hemoglogin?
  6. Name three proteins built using instructions from DNA______, ______,______

What is a chromosome?

  1. How long is a polymer of DNA
  2. How does all that DNA fit inside a cell
  3. DNA IS WRAPPED AROUND PROTEINS
  4. PROTEINS IS PACKED TIGHTLY INTO A CHROMOSOME
  5. Draw the relationship between DNA and a chromosome below:
  1. Use your picture to complete the sentence: ______is made up of ______
  2. What is a chromosome? EFFICIENT STORAGE UNITS FOR DNA
  3. How many chromosomes can a living thing have? IT DEPENDS ON WHAT YOU ARE FISH OR HUMAN
  4. Humans have_46____ chromosomes or __23____ pairs of chromosomes
  5. Why do children look like their parents?
  6. What determines if you are a boy or a girl?

What is a protein?

  1. List 3 facts about proteins
  2. MACHINES THAT MAKE LIVING THINGS FUNCTION
  3. WORK TOGETHER TO RUN THE CELL
  4. EACH ONE LOOKS DIFFERENT AND HAS A DIFFERENT JOB
  5. Where are the instructions for making protein located in a cell? NUCLEUS
  6. How does the instructions for making protein get to the ribosome?

RNA MOVES FROM THE NUCELUS INTO THE CYTOPLASM OF THE CELL

  1. How does the ribosome use those instructions to make protein?

RIBOSOME READS THE MESSAGE AND PRODUCES A PROTEIN THAT EXACTLY MATCHES THE SPECIFICATIONS OF THAT GENE

Tour of the Basics

Student SheetName______per____

Complete the following sections of this site. You may type in the web address or search for Tour of the Basics

What is DNA?

  1. Where in a cell is DNA located?
  2. What does DNA stand for?
  3. How is it like a blueprint?
  1. What is the “alphabet” this DNA code?
  2. What are the rules for pairing the nitrogen bases?

_____pairs with ______and _____ pairs with ______

  1. What do these letters stand for
  2. A______
  3. T______
  4. C______
  5. G______
  1. How many letters are used to make one “word” of the DNA code?______
  2. What do many of these DNA code words make? OR

What is a gene?

  1. Genes are
  1. Draw and label a strand of DNA below and then draw and label one gene on that DNA strand
  2. Use your picture to complete the sentence: ______are made of ______
  3. What is a mutation?
  4. What disorder is caused by a mutation of Hemoglobin?
  5. Name three proteins built using instructions from DNA______, ______,______

What is a chromosome?

  1. How long is a polymer of DNA
  2. How does all that DNA fit inside a cell
  3. Draw the relationship between DNA and a chromosome below:
  1. Use your picture to complete the sentence: ______is made up of ______
  2. What is a chromosome?
  3. How many chromosomes can a living thing have?
  1. Humans have_____ chromosomes or ______pairs of chromosomes
  2. Why do children look like their parents?
  3. What determines if you are a boy or a girl?

What is a protein?

  1. List 3 facts about proteins
  2. Where are the instructions for making protein located in a cell?
  3. How does the instructions for making protein get to the ribosome?
  1. How does the ribosome use those instructions to make protein?

Tour of the Basics

Name______per____

Now that you know about DNA, chromosomes and protein, let’s learnabout heredity.

Complete the following sections of this site. You may type in the web address or search for Tour of the Basics

What is heredity?

  1. The passing of traits from parents to offspring is known as______
  2. Why do children look like their parents and brothers and sisters resemble each other?
  3. Complete the blanks: ______determine our traits and are located on our ______. Chromosomes are made of ______which is located in the ______of a cell.
  4. Our traits like hair color and height may be determined by our genes but two other factors such as ______and ______may also affect our traits.
  5. So why don’t we look exactly like our mom or our dad?
  6. What is a zygote? Draw a picture of how it is formed below: (label the two parts that make a zygote)
  1. How many chromosomes do you get from each parent?
  2. Write an equation showing how we end up with 46 chromosomes.
  3. Why are children said to be “unique”, never identical to either parent?

What is heredity?

  1. What is a trait? Give 3 examples.
  2. How do we get our traits?
  3. Besides physical appearance, what else can traits determine:
  4. How can our traits sometimes be changed?
  5. What is an allele? ______Give an example:
  6. How may alleles determine a trait?
  7. What does homozygous for a trait mean? Give two examples: ______or ______
  8. What does it mean to be heterozygous for a trait? Give an example: ______
  9. If two parents are heterozygous for a trait,
  10. how many different possibilities exist?
  11. What are they:
  12. One type of complex inheritance is called incomplete dominance. Draw and color an example of this:
  1. Compare and contrast:

Single gene traitsBothComplex traits

Bonus:

So how different are we from one another (humans that is) REALLY???????