Advanced Punnett Squares

What is the probability of a purple-horned unicorn if a heterozygous pink-horned unicorn is crossed with a heterozygous pink-horned unicorn?

• 0%
• 25%
• 50%
• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Georgette wants to breed her pet phoenixes, but she isn't sure if the babies will burst into blue flames or red flames. Her documents show that her female phoenix is homozygous dominant for red flames, while her male phoenix is homozygous recessive for blue flames. What color flames will the babies have?

• Red
• Blue
• Purple
• 50% Red, 50% Blue

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Leonardo bet his friend Olivet that two heterozygous green-eyed sea monsters could not have a recessive blue-eyed baby sea monster. Olivet said they can have a blue-eyed sea monster.
Who wins the bet?

• Leonardo
• Olivet
• Both
• Neither

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A brown-furred ewok has 12 babies with a black-furred ewok. 9 ewok babies have black fur, while 3 ewok babies have brown fur. What are the probable genotypes of the parents?

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

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Jabba the Hutt has finally decided to settle down and have a family. He has undergone genetic testing and learned that he is heterozygous for Hutt Fungal Syndrome, which is caused by recessive alleles. He is worried that his children might suffer from this syndrome. His Hutt mate has undergone genetic testing and discovered she is homozygous dominant for the syndrome. Should Jabba be worried?

• Yes
• No

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A Jawa notices that his beloved pet desert rat, who has brown fur, just had several rat babies, some of which had white fur and some which had brown fur. Brown fur is the dominant trait. This means his rat must have what genotype?

• Homozygous Dominant
• Heterozygous
• Homozygous Recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Bob the abominable snowman lives in the snowy Andes mountains. He has white fur, which blends in nicely. He is therefore dismayed when his mate keeps having red-furred babies. Which is NOT Bob's genotype?

• Homozygous Dominant

• Heterozygous

• Homozygous Recessive

What phenotype would result from crossing a homozygous dominant purple-flowered pea plant with a homozygous recessive white-flowered pea plant?

• Pp
• Purple
• White
• PP and pp

Tags

NGSS.MS-LS3-2

A homozygous dominant brown mouse is crossed with a heterozygous brown mouse (tan is the recessive color). 

• 100 % tan
• 100 % brown 
• 50 % brown and 50% tan 
• 75 % brown and 25 % tan 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

If a heterozygous parent and a homozygous recessive parent mate, what percentage of their offspring will be dominant?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3