Punnett Square Practice Quiz

An organisms genetic makeup, letters that represent the actual genes.

• Genotype

• phenotype

• Heterozygous

• Homozygous

Having different alleles for example Bb

• Homozygous

• Heterozygous

• Phenotype

• Genotype

Physical trait such as Brown Fur or Purple Flower

• Recessive

• Phenotype

• Genotype

• Dominant

Tags

NGSS.HS-LS4-3

Having the same alleles for example BB

• Homozygous

• Heterozygous

• Dominant

• Recessive

A trait that can cover another such as purple flower over white flower. Uppercase letters represent this allele.

• Genotype

• Allele

• Dominant

• Recessive

A trait that can be covered. White flower can be covered by Purple flower. Lower case letters represent this allele.

• Dominant

• Recessive

• Homozygous

• gene

Dominant or recessive?
tt

• Dominant 
• Recessive

Tags

NGSS.HS-LS3-1

Dominant or recessive?
Tt

• Dominant 
• Recessive

B = brown fur  b = white fur
In the punnett square, what is the percent chance for white fur? 

• 0%
• 25%
• 50%
• 75%

Tags

NGSS.HS-LS3-3

Brown eyes (B) tend to be dominant whereas blue eyes (b) tend to be recessive. Parents with heterozygous genes want to know: what is the likelihood of them having a child with blue eyes?

• 0%

• 25%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2