Genetics & Punnett Squares

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 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-LS3-3

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

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-LS3-3

Which of the following genotypes is homozygous dominant?

• A
• Aa
• AA
• aa

Tags

NGSS.HS-LS3-2

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

This type of inheritance pattern is a MIXTURE of both traits.

• incomplete dominance
• co-dominance
• complete dominance
• recessive pattern

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

This type of inheritance pattern shows BOTH traits in possible offspring

• complete dominance
• incomplete dominance
• co-dominance
• dominant pattern

Tags

NGSS.HS-LS3-1

In the Punnett square shown, what must the genotype of the missing parent be?

• BB
• Bb
• bb
• Tt

Tags

NGSS.HS-LS3-1