Unit 2 Review

The scientific study of heredity

• Genetics

• Chomosome

• Alleles

• DNA

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Contains your genes; found in the nucleus

• Genetics

• Traits

• Alleles

• DNA

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The letters that represent the different forms of a gene

• Genetics

• Chomosome

• Alleles

• DNA

The different forms of characteristic (ex. eye color)

• Genetics

• Traits

• Alleles

• DNA

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The trait that overshadows and is expressed

• dominant

• heredity

• gene

• recessive

The trait that is hidden

• dominant

• heredity

• gene

• recessive

combination of alleles (letters: DD, Dd, dd)

• phenotype
• genotype
• homozygous
• heterozygous

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The physical appearance of a trait (Ex. Dimples, no dimples)

• phenotype

• genotype

• homozygous

• heterozygous

Two alleles/letters for on trait that are different (Ex; Dd)

• phenotype

• genotype

• homozygous

• heterozygous

Two alleles/letters for on trait that are the same (Ex: DD or dd)

• phenotype

• genotype

• homozygous

• heterozygous