Biology Test Monohybrid Crosses

Front

What is the term for having two of the same genes for a trait?

Back

Homozygous

Front

What is the genotype of a person who is frowning if dominant is Smiley (E) and recessive is Frowning (e)?

Back

ee

Front

What is an allele whose trait always shows up in the organism when the allele is present?

Back

Dominant allele

Front

What are examples of traits such as eye color, hair color, and height called?

Back

Phenotype

Front

In sheep, if the allele for belly fur (A) is dominant to no belly fur (a), how many offspring will have belly fur if a homozygous dominant mother mates with a heterozygous father?

Back

4

Front

What is the term for having two different alleles for a trait?

Back

Heterozygous

Front

What is the genetic makeup of an organism called?

Back

Genotype

Front

What is the observable physical or biochemical characteristics of an organism?

Back

Phenotype

Front

What is the principle that states that alleles for different traits are distributed to gametes independently of one another?

Back

Law of Independent Assortment

Front

What is the term for a version of a gene?

Back

Allele