Heredity Quiz

The passing of physical characteristics from parent to offspring is called __________________.

• heredity

• genetics

The study of heredity is called __________________.

• geneticists

• genetics

A _________________ organism is the offspring of many generations that have the same form of a trait.

• purebred

• hybrid

True or false? The factors that control a trait exist in pairs.

• true

• false

True or false? Gregor Mendel was a priest, did a lot of experiments with pea plants to study inheritance, and is considered the father of genetics.

• True

• false

The factors that control a trait are called ____________________.

• genes

• alleles

• traits

__________________ are the different forms of a gene.

• gene

• characteristics

• alleles

A __________________ allele is one whose trait always shows up in an organism when the allele is present.

• recessive

• dominant

A __________________ allele is hidden whenever the dominant allele is present.

• dominant

• recessive

True or false? Dominant alleles are always represented with upper-case letters and recessive alleles are represented with lower-case letters.

• True

• False