Genetic Vocabulary

The different FORMS of a gene:

• Alleles

• Gene

• Purebred

• Hybrid

An organism's physical appearance or visible traits:

• Genotype

• Phenotype

An organism's genetic makeup, or allele combination.

• Phenotype

• Genotype

Having two identical (same) alleles for a trait.

• Homozygous

• Heterozygous

Having two different alleles for a trait.

• Homozygous

• Heterozygous

When an organism that has both alleles of a gene displays both phenotypes at the same time.

• Codominance

• Incomplete Dominance

• Dominant allele

• Recessive allele

When the phenotype of the two alleles blend.

• Codominance

• Incomplete Dominance

• Dominant allele

• Recessive allele

Inherited traits that are determined by more than one gene.

• Codominance

• Incomplete Dominance

• Polygenic Traits

• All are incorrect

A chart that shows all the possible combinations of alleles that can result from a genetic cross.

• Probability

• Durick Square

• Punnett Square

• T-Chart

Different forms of a gene:

• traits

• genotype

• phenotype

• alleles

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2