Heredity Crash Course

The passing of traits from parents to offspring.

• Genetics

• Heredity

• Selective Breeding

• Genetic Engineering

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

An individual that has 2 different alleles for a given trait.

• Heterozygous

• Homozygous

• Hybrid

• Purebred

An individual that has 2 of the same alleles for a given trait.

• Heterozygous

• Homozygous

• Hybrid

• Purebred

Represented by a capital letter, it covers up a recessive trait.

• Dominant

• Recessive

• Heterozygous

• Homozygous

Represented by a lowercase letter, it is covered up by a dominant trait.

• Dominant

• Recessive

• Hybrid

• Purebred

The letters or alleles for a given trait.

• Phenotype

• Genotype

• Genetics

• Heredity

The physical appearance or characteristic for a given trait.

• Phenotype

• Genotype

• Hybrid

• Purebred

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A diagram that shows the potential offspring of a cross between two parents.

• Pedigree

• Punnett Square

• Pedi Square

• Punnigree

A diagram that follows the occurrence of a trait in a family.

• Pedigree

• Punnett Square

• Pedi Square

• Punnigree

Which one is homozygous recessive?

• AA

• Aa

• aa