Genetics

One of two or more alternative forms of a gene is a ____.

• allele

• dominant

• recessive

• homozygous

A ________is a DNA segment which is the basic physical unit of inheritance. They are passed from parents to offspring and contain the information needed to specify traits.

• gene

• homozygous

• heterozygous

• recessive

Characteristics that are inherited through a single pair of genes are examples of ___________.

• Monohybrid inheritance

• dominant

• recessive

• homozygous

______ alleles control the development of a characteristic even when they are only present in one of our chromosomes.

• dominant

• recessive

• homozygous

• heterozygous

Alleles that ONLY control the development of a characteristic if they are only present on both alleles are

• dominant

• recessive

• homozygous

• heterozygous

The alleles that might be inherited make up the _____-

• phenotype

• genotype

• homozygous

• heterozygous

The physical characteristics that a person will have as a result of their genotype

• phenotype

• recessive

• dominant

• allele

A ______ is a result of a mistake when copying the genetic code as our cells reproduce.

• mutation

• recessive

• dominant

• phenotype