Intro Genetics Quiz

What is the study of heredity called?

• Heredity

• Genetics

• Genes

• Traits

What is a genotype?

• The gene that determines a trait; represented by letters.

• The physical description of a trait; what can be "seen."

• The trait that shows, making the other trait.

• The trait that is masked by a dominant trait.

What is a phenotype?

• The gene that determines a trait; represented by letters.

• The physical description of a trait; what can be "seen."

• The trait that shows, making the other trait.

• The trait that is masked by a dominant trait.

What is a gene?

• A pair of alleles that together determine a trait.

• The trait that is present and masks the other trait.

• The triat that is masked.

• Traits inherited from your parents.

What is a dominant trait?

• When present it is the trait that shows.

• A trait that you only need one of for it to be present.

• The trait that masks all other traits.

• A trait that requires two of for it to be present.

What is a recessive trait?

• When present it is the trait that shows.

• A trait that you only need one of for it to be present.

• The trait that masks all other traits.

• A trait that requires two of for it to be present.

• A trait that is hidden by a dominant trait.

What is a heterozygous trait?

• A trait that has one dominant gene and one recessive gene.

• A trait that has two recessive genes.

• A trait that has two dominant genes.

• A trait that is represented by two capital letters or two lower case letters.

• A trait that is represented by one capital letter and one lower case letter.

What is a homozygous trait?

• A trait that has one dominant gene and one recessive gene.

• A trait that has two recessive genes.

• A trait that has two dominant genes.

• A trait that is represented by two capital letters or two lower case letters.

• A trait that is represented by one capital letter and one lower case letter.

A heterozygous dominant trait has__________________________.

• one capital letter and one lower case letter

• has two capital letters

• has two lower case letters

• has one dominant trait and one recessive trait

• has two dominant traits or two recessive traits

A homozygous dominant trait has__________________________.

• one capital letter and one lower case letter

• has two capital letters

• has two lower case letters

• has one dominant trait and one recessive trait

• has two dominant traits or two recessive traits