Genetics Pre-Quiz

A characteristic that an organism can pass on to its offspring is called a :

• genotype
• phenotype
• trait
• allele

The study of heredity is:

• biology
• genetics
• microbiology
• ecology

Who studied traits in pea plants?

• Hooke
• Mendel
• Crick
• Watson

An example of a human trait is:

• Ear lobe
• Eye color
• Skin color
• All of the above

The form of a gene that is hidden when the dominant is present is called recessive.

• True
• False

A _____ is a unit that determines traits.

• allele
• gene
  gene
• chromosome

What is the mathematical chance that an event will occur?

• Ratio
• Percentage
• Probability
• Punnett Square

A tool used to show all the possible combinations of alleles from the parents is called:

• Pedigree
• Punnett Square
• Graphic Organizer
• Cross Box

Which of the following nitrogen bases of DNA are correctly matched?

• T and A; G and G
• C and T; G and A
• A and T; C and G
• A and A; G and C

Gene are located on ___________.

• Ladders
• DNA
• Chromosomes