Punnett Square Practice Quiz

G = green, g = yellow
The genotype for a yellow plant is...

• GG
• Gg
• gg
• all of the choices result in yellow

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? 

• 0%
• 25%
• 50%
• 75%

Tags

NGSS.HS-LS3-3

Which of the following alleles is homozygous (purebred) recessive?

• Tt
• tt
• TT
• t

Aa is

• homozygous (purebred)
• heterozygous (hybrid)

Which of the following is a phenotype?

• Aa
• red hair
• heterozygous
• DNA

Tags

NGSS.HS-LS4-4

If Spongebob is homozygous for a yellow body (yellow dominant over blue), then his genotype would be ...

• Yy
• yy
• YY
• Yb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Genotype refers to the ...

• physical expression of the genes (hair color)
• the possible combination of alleles in a gene (TT, Bb)
• how an organism will appear

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

NGSS.HS-LS3-2

In the punnett square shown, what is the genotypes of the two parents?

• RW and RR
• RW and WW
• RR and WW
• RW and RR

Tags

NGSS.HS-LS3-1

T = tall an t = short
TT and Tt would result in  the following phenotype

• short
• tall
• both tall and short
• neither tall or short

Tags

NGSS.HS-LS3-1