Punnett Squares

A ____________________ is a tool used to determine genetic outcomes of offspring of two parents.

_____________ is the study of inheritance of genes.

Each version of a gene is called a ________________.

If a gene is ________________, it is always expressed if present.

• recessive

• dominant

• gene

• allele

If a gene is _______________ it is only expressed if two are present.

• dominant

• recessive

• allele

• genetics

____________ means both genes are the same

• homozygous

• heterozygous

• allele

• dominant

________ means you have a copy of two different genes.

• homozygous

• heterozygous

• dominant

• recessive

___________ is the genetic makeup of an animal.

____________ is the physical characterisitcs created by a combination of genes.

____________ occurs when neither allele is dominant.

• Incomplete Dominance

• Co-Dominance