Genetics Review

DNA is inside your cells. What part of the cell is the DNA inside of?

• cell membrane
• cytoplasm
• nucleus

The number of human chromosomes is

• 23

• 46

• 92

• 64

How are similarities passed from parent to offspring?

• through teaching
• through learning
• through blood
• through genes

Why are your chromosomes arranged in pairs?

• Scientists have no idea
• Because you get one from your mom and one from your dad
• Because pairs can divide easier
• Because DNA is awesome

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.

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

What is heredity?

• A kind of genetic disorder
• The way DNA divides
• A trait you inherit from your parents
• The passing down of traits from parents to children

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

Put in order smallest to largest:

• Chromosome - DNA - Gene
• Gene - DNA - Chromosome 
• DNA - Gene  Chromosome
• Chromosome - Gene  - DNA

Are recessive traits shown with capital or lowercase letters? 

• Capital
• Lowercase