Punnett Squares and Pedigrees

Physical charatetistic or trait (Ex: Height, Hair color, etc.)

• Genotype

• Phenotype

• Heterozygous

• Homozygous

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The genetic makeup of an organism usually represented by alleles. (Ex. AA, Aa, or aa)

• Genotype

• Phenotype

• Heterozygous

• Homozygous

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

When the alleles that represent a gene are different. (Aa)

• Genotype

• Phenotype

• Heterozygous

• Homozygous

What color eyes do the parents have?

• They both have blue

• They both have brown

• One has blue and one has brown

• Depends on how the genetics work together

Tags

NGSS.HS-LS3-1

What is the genotype probability of the offspring?

• 50% Brown

  50% Blue

• 75% Brown

  25% Blue

• 50% Bb

  50% bb

• 25% BB

  50% Bb

  25% bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

____is a specific characteristic that varies from one individual to another

• Gene

• Trait

• Heredity

• Genetics

Tags

NGSS.HS-LS3-1

Which of the following are PHENOTYPES?

• green skin

• Aa

• homozygous recessive

• purple eyes

• black fur

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

Which of the following are GENOTYPES? (select all correct answers)

• black hair

• homozygous dominant

• heterozygous

• blue eyes

• BB

Tags

NGSS.HS-LS3-2

Which of the following represents alleles for the homozygous recessive genotype?

• Aa

• aa

• AA

Tags

NGSS.HS-LS3-1

Dominant alleles are represented by a:

• Male gene
• lowercase letter
• recessive trait
• capital letter