DNA, Genes and Chromosome

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

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

Eye color, hair color, having freckles, etc. are examples of:

• DNA

• Chromosomes

• Genes

• Traits

The part of the cell that contains chromosomes and genes is the:

• Mitochondria

• Nucleus

• Chloroplast

• Ribosomes

• 1

• 2

• 3

• 4

• 1

• 2

• 3

• 4