Life Science, Tuesday Exit Ticket, 1.8.19

The passing of traits from parents to offspring is called . . .

• biology

• genetics

• heredity

• immunology

The study of how traits are passed from parents to offspring is called . . .

• genetics

• heredity

• microbiology

• zoology

In pea plants, a plant with at least one gene for tall will be tall because tall height is _____.

• a codominant trait

• a dominant trait

• an incompletely dominant trait

• a recessive trait

A pea plant must have two genes for short to be short because short height is _____.

• a codominant trait

• a dominant trait

• an incompletely dominant trait

• a recessive trait

A section on a chromosome that contains the DNA for a single trait is called . . .

• a gene

• a genotype

• a phenotype

• a ribosome

The different forms of a gene for a trait, such as tall or short height are called . . .

• alleles

• chromosomes

• genotypes

• phenotypes

The trait that appears in an offspring is called its . . .

• allele

• genome

• genotype

• phenotype

The two alleles an offspring has for a trait are called its . . .

• autotype

• genotype

• mesotype

• phenotype

When an offspring has two of the same alleles for a gene, such as RR or rr, it is _____ for that trait.

• heterozygous

• homozygous

• hybrid

• pasteurized

When an offspring has two different alleles for a trait, such as Rr, it is _____ for that trait.

• heterozygous

• homozygous

• purebred

• thoroughbred