Genetics Quiz Review

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

• phenotype

• trait

• genotype

A _________ is the form of a gene that is hidden when the dominant is present

• allele

• dominant allele

• recessive allele

• genotype

Genetics is the

• study of pea plants

• study of heredity

• phenotype of an organism

• characteristic that can be passed on

An organism's genotype describes

• its physical characteristics

• the way it looks

• the alleles of the gene it contains, or its genetic makeup

A ________________ is a unit that determines traits.

• chromosome

• gene

• allele

The father of Genetics is

• Hooke

• Mendel

• Leeuwenhoek

If a pea plant contains a recessive allele for wrinkled seeds and a dominant allele for smooth seeds, the phenotype will be

• smooth seeds

• wrinkled seeds

• half of each

The phenotype is the form of a trait that an organism displays.

• True

• False

The form of the trait that usually gets hidden is the dominant trait.

• True

• False

If an organism has a genotype of dominant and recessive, the dominant is always shown.

• True

• False