Genetics and Heredity Unit Review

A genotype determines an organism's physical appearance. We call this _______.

• genes

• phenotype

• alleles

• heredity

We call different versions of the same gene ________.

• eeeooowwwww

• chromosomes

• alleles

• heredity

The combination of alleles for a given organism is its ___________.

• genotype

• DNA

• phenotype

• birthday

It only takes one of these kind of alleles to determine the trait the organism will show.

• mitosis

• recessive allele

• gene

• dominant allele

An allele that will only show in the organism if it is paired with itself.

• alligator soup

• recessive allele

• dominant allele

• trait

A genotype where there is one dominant allele and one recessive allele paired together.

• a happy couple

• homozygous dominant

• heterozygous

• homozygous recessive

The genotype when both alleles are dominant.

• heterozygous

• homozygous recessive

• heterozygous dominant

• homozygous dominant

How do we represent a dominant allele?

• Chuckin up the deuces

• An uppercase letter

• A lower case letter

• Ancient hieroglyphics

What is the name of the genotype for the alleles Hh?

• homozygous passive

• heterozygous

• heterozygous dominant

• homozygous dominant

The genotype tt is _________.

• Cardi's hot new single

• homozygous dominant

• heterozygous

• homozygous recessive