genes, dna , chromosome Classwork

What does DNA do?

• a.  It carries genetic codes from parents to offspring.
• a.  It carries oxygen from the lungs to the body.
• a.  It tells you who you are.
• a.  It defines the organism.

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• chloroplast
• nucleus

How many chromosomes do human cells have?

• 46

• 23

• 2

• 44

What is a gene?

• A bundle (like a hot dog bun) that the DNA is packed into
• something inside the nucleus
• a piece of DNA
• all of your DNA

Bundled up, organized DNA is called a

• gene

• trait

• chromosome

• nucleotide

A long molecule in the shape of a double helix and made up of nucleotides; contains genetic information.

• Deoxyribonucleic acid (DNA)

• ribonucleic acid (RNA)

• chromosome

• gene

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

The sugar in DNA is ?

• sucrose
• glucose
• deoxyribose
• fructose

A chromosome is best described as a

• gene that has more than one form.
  
• green cell found in many plants.
  
• strand of DNA containing genetic information.
  
• reproductive cell found in certain kinds of bacteria

What is the relationship between DNA and chromosomes?

• Chromosomes are made of DNA
• DNA is made of chromosomes
• DNA and chromosomes are the same thing.
• All of the above are correct