Punnet Squares

Dominant alleles are represented by a:

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

Which of the following is a phenotype?

• Aa
• red hair
• heterozygous
• DNA

How many boxes would say BB?

• 1
• 2
• 4
• 0

Tags

NGSS.HS-LS3-1

What is the genotypic ratio here

• TT = 25% Tt= 50% tt=25%
• all tall
• TT= 75% tt = 25%
• Tt = 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

G = green, g = yellow
The genotype for a yellow plant is...

• GG
• Gg
• gg
• all of the choices result in yellow

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

T - tall and t = short
In the punnett square below, what belongs in the missing square

• tt
• Tt
• Bb
• TT

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

An allele that is hidden when the dominant allele is present.

• Dominant Allele
• Gene
• Recessive Allele
• Probability

What allele combination should go in the missing box?

• AA
• Aa
• aa
• none of these

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If B = brown hair and b = blonde hair, what is the probability of brown hair?

• 25%
• 50%
• 0%
• 75%

Tags

NGSS.HS-LS3-3