Punnett Squares and Pedigre

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-LS3-2

NGSS.HS-LS3-3

George Guinea Pig met Greta Guinea Pig at a dance. George is heterozygous for his long hair, but Greta has short hair. What are the chances that their baby would have long hair?

• 100%

• 75%

• 50%

• 25%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

Stuart Snail is heterozygous for tall eyeballs. Sally Snail has tall eyeballs but does carry the recessive allele. If their baby snail has tall eyeballs then what is/are the possible genotype(s) he could have?

• TT

• TT , Tt

• TT, Tt, tt

• tt

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Gary Goldfish is heterozygous for dark orange color. Ginny Goldfish is homozygous dominant. Their baby has light orange color. Is Gary the father?

• Yes, because the light orange color is dominant

• No, because there is no way they could produce a homozygous recessive baby

• Yes, because Ginny has two alleles for light orange color, so their baby could be light orange

• No, because Gary does not have the allele for light color.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Gary Goldfish is heterozygous for dark orange color. Ginny Goldfish is homozygous dominant. What is the chance that they will have a heterozygous offspring?

• 100%

• 75%

• 50%

• 25%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

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

Which of the following genotypes is homozygous dominant?

• A
• Aa
• AA
• aa

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

NGSS.HS-LS3-2