Genetics Quiz Review

The passing of traits from parent to child is known as _______________.

• heredity

• gene

• DNA

• RNA

This trait is represented by a capital letter and always shows up in an organism when the allele is present

• dominant allele

• codominance

• probability

• recessive allele

This trait is represented by a lower case letter and hidden whenever the dominant allele is present

• dominant allele

• codominance

• recessive allele

• Punnett Square

Which of the following is homozygous recessive?

• RR

• Rr

• rR

• rr

Which genotypes are heterozygous?

• EE

• tt

• Rr

• Both EE and tt

Which genotypes are homozygous dominant?

• EE

• tt

• Rr

• Both EE and tt

Which genotypes are homozygous?

• EE

• tt

• Rr

• Both EE and tt

_____ is the genetic makeup of an organism.

• phenotype

• genotype

A ____ is a region of DNA that controls a trait.

• gene

• phenotype

• chromatin

• genotype

The ____ is the physical appearance of an organism.

• genotype

• phenotype