Punnett Square Practice

A dog gives birth to 5 puppies. What percentage of the chromosomes does each puppy share with the mother?

• 25%
• 50%
• 75%
• 100%

Tags

NGSS.HS-LS3-1

If a heterozygous tall pea plant is crossed with a short pea plant, what are the possible genotypes of the future offspring?

• 100% Tt
• 50% Tt, 50% tt
• 75%Tt, 25%tt
• 25%TT, 50%Tt, 25%tt

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

If a heterozygous tall pea plant is crossed with a short pea plant, what are the possible genotypes of the future offspring?

• 100% Tt
• 50% Tt, 50% tt
• 75%Tt, 25%tt
• 25%TT, 50%Tt, 25%tt

Tags

NGSS.HS-LS3-1

This is an example of what?

• Complete dominance
• Incomplete dominance
• Codominance
• None of the above

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If T=Tall & t=short, what is the genotypic ratio?

• 1:3
• 3:1
• 1:2:1
• 2:2

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If a Homozygous red snapdragon and a Heterozygous pink snapdragon were crossed - what percentage of the offspring would be homozygous white?

• 0%
• 25%
• 50%
• 75%

Tags

NGSS.HS-LS3-1

Red/green color blindness is a recessive trait.  A woman who is a carrier for this allele marries a normal-vision male.  What is the probability that they will have a child who is color blind?

• 1/4
• 1/2
• 3/4
• 1

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

If green is dominant over purple, then what is the genotype for this individual?

• Purple
• Green
• GG
• gg

Tags

NGSS.HS-LS3-1

Brown fur color is dominant over black fur color. Which of the following is the actual genotype of ALL of the offspring in the next generation of this cross for fur color?
AA x aa

• AA
• Aa
• aa
• brown fur

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which is the correct phenotype for this organism?

• BB
• blue
• green
• bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2