Genetics Review

The passing of traits from parent to child is known as

• heredity

• Gene

• DNA

• RNA

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

• dominant allele

• codominance

• recessive allele

• punnett square

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

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