Genetics/Punnett Squares Review

the sequence of DNA that codes for a protein and thus determines a trait.

• Genes

• Traits

• Phenotypes

• Genotypes

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

specific characteristic that varies from one individual to another. Example, brown hair, blue eyes, tall, curly hair.

• Heredity

• Genes

• Traits

• MItochondria

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

This type of trait can only be expressed in the absence of a dominant trait.

• Codominant

• Do not click this one

• Dominant

• Recessive

This type of trait will always be expressed.

• Dominant

• Recessive

Scientific study of heredity is Genetics

• True

• False

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The genetic makeup of an organism;

The gene (or allele) combination an organism has.

Example: Tt, ss, GG, Ww

• Genotype

• Phenotype

• Genes

• Heredity

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The physical characteristics of an organism. The way an organism looks.

Example: Curly hair, straight hair, blue eyes, tall, green

• Phenotype

• Genotype

• Genes

• Characteristics

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Genotype with one dominant allele and one recessive allele. Example, Rr

• Heterozygous

• Homozygous

• Dominant

• Recessive

Tags

NGSS.HS-LS3-2

Genotype with either two dominant alleles or two recessive alleles (the same alleles). Example, RR or rr

• Characteristics

• Heterozygous

• Homozygous

Tags

NGSS.HS-LS3-2

The chance that a given event will occur.

• Not this one.

• Probability

• Chance

• Luck