Genes + Alleles

A portion of DNA that codes for a trait

• Gene

• DNA

• Allele

• Genotype

Tags

NGSS.HS-LS3-1

Genetic material that consists of sugar, phosphate, & nitrogenous bases adenine, guanine, thymine, cytosine

• Gene

• DNA

• Allele

• Trait

Tags

NGSS.HS-LS3-1

A specific form of a gene

• Allele

• Gene

• DNA

• Phenotype

Tags

NGSS.HS-LS3-2

Alleles are always represented by letters & they are always paired.

• True

• False

An example of a gene is _______, while an example of an allele is _______.

• Hair color; brown hair

• Brown hair; hair color

• Eye color; height

• Genotype; phenotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The alleles someone has for a particular gene

• Genotype

• Phenotype

• DNA

• Heritable

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The physical appearance of a person or organism

• Phenotype

• Genotype

• DNA

• Heritable

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A dominant allele is

• Represented by a capital letter

• Represented by a lower case letter

• Genotype

• Phenotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A recessive allele is

• Represented by a lower case letter

• Represented by an upper case letter

• Genotype

• Phenotype

Brown hair is an example of a

• phenotype

• genotype

Tags

NGSS.HS-LS3-1