Genetics Key Terms

An allele that is masked or covered up by the presence of a dominant allele is ____.

• recessive

• dominant

• hybrid

• heterozygous

Different forms of genes are called ____.

• alleles

• phenotype

• genotype

• homologous chromosomes

What is another way of saying pure/purebred?

• homozygous

• dominant

• recessive

• heterozygous

The physical appearance of an organism's traits is referred to as ____.

• genotype

• heredity

• phenotype

• trait

Tags

NGSS.MS-LS3-2

A genotype with alleles that are different from each other is ____.

• homozygous

• heterozygous

What does a Punnett Square do?

• Show the possible genotypes

• Determine the possible phenotypes

• Predict offspring traits

• All of the above

What is another way of saying hybrid?

• homozygous

• dominant

• recessive

• heterozygous

A genotype with alleles that are the same is purebred or ____.

• gene

• homozygous

• heterozygous

• phenotype

An inherited characteristic that an organism has is called a ____.

• trait

• gene

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Genes come in two forms called ____.

• alleles

• purebred traits

• hybrid traits

• phenotypes

Tags

NGSS.HS-LS4-3