Unit 6 Genetics

The molecule that stores hereditary information.

• DNA

• RNA

• Protein

• Lipids

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The unit of heredity (aka a region of DNA that controls a trait)

• Allele

• Gene

• Recessive

• Dominant

Tags

NGSS.HS-LS3-1

A version of a gene.

• Allele

• Recessive

• Domiant

• Homozygous

The genetic makeup of an individual.

• Phenotype

• Punnett Square

• Chromosome

• Genotype

Expression (visible, physical characteristic) of a gene.

• Genotype

• Phenotype

• Allele

• Gene

Tags

NGSS.HS-LS1-1

NGSS.HS-LS4-4

A genotype with two of the same alleles.

• Homozygous

• Heterozygous

• Dominant

• Recessive

A genotype with two different alleles.

• Homozygous

• Heterozygous

• Dominant

• Recessive

Tags

NGSS.HS-LS3-2

This allele is the one expressed (visible) in heterozygotes (Aa).

• Homozygous

• Heterozygous

• Dominant

• Recessive

This allele is ONLY expressed (visible) when there are two copies present (aa)

• Homozygous

• Heterozygous

• Dominant

• Recessive

The best description of the genotype AA is

• Homozygous Dominant

• Homozygous Recessive

• Heterozygous

• Codominant