Punnett Square

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

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Fill in the Yellow Box

• AA

• Aa

• aa

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Fill in the Yellow Box

• Bb

• BB

• bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following genotypes is heterozygous?

• Bb

• BB

• bb

• B

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

What allele combination should go in the missing box?

• AA

• Aa

• aa

• none of these

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

This image shows a...

• Punnett Square

• Phenotype

• Genotype

• Dominant allele

Tags

NGSS.HS-LS3-1

In pea plants, the allele for tall plants (T) is dominant over the allele for short plants (t). What is the genes percentage for a cross between two heterozygous tall plants (Tt x Tt)?

• 25% TT, 50% Tt, 25% tt

• 50% TT, 25% Tt, 25% tt

• 50% TT, 50% Tt, 0% tt

• 25% TT, 0% Tt, 50% tt

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

What is a Punnett Square used for in genetics?

• Predicting the outcome of genetic crosses

• Measuring the length of DNA strands

• Determining the age of fossils

• Calculating the speed of enzyme reactions

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-3

In a Punnett Square, what do the letters outside the grid represent?

• The genotypes of the parents

• The phenotypes of the offspring

• The environmental factors

• The mutation rates