Punnett Squares Practice

Aa, DD, bB, yy are all examples of

• genotypes
• phenotypes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

AA and Aa always show up as

• dominant
• recessive

Tags

NGSS.HS-LS3-1

In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?

• rr
• R
• RR
• RR or Rr

Tags

NGSS.HS-LS3-2

Which of the following genotypes is homozygous dominant?

• A
• Aa
• AA
• aa

What are the possible genotypes for this cross?

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

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

If brown eyes are dominant over blue eyes, what would be the  parent genotypes if two heterozygous brown eyed persons were crossed?

• BB and bb
• BB and Bb
• Bb and Bb
• bb and Bb

Tags

NGSS.HS-LS3-1

Green is dominant to yellow. Two heterozygous green plants are crossed. What are the genotypes of the offspring?

• 100% Gg
• 50% GG, 50% Gg
• 25% GG, 50% Gg, 25% gg
• 75% Gg, 25% gg

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

George Guinea Pig met Greta Guinea Pig at a picnic.  George is heterozygous for his long hair, but Greta has short hair.  What are the chances of having a baby guinea pig with short hair?

• 100%
• 75%
• 50%
• 25%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

George Guinea Pig met Greta Guinea Pig at a party.  George is heterozygous for his long hair, but Greta has short hair.  How can we describe Greta's genotype?

• homozygous dominant
• homozygous recessive
• heterozygous

Tags

NGSS.HS-LS3-1

Stuart Snail is heterozygous for tall eyeballs.  Sally Snail has tall eyeballs but does carry the recessive allele.  What are the chances that their baby snail would have short eyeballs?

• 75%
• 50%
• 25%
• 0%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3