Punnett Square Review

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

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

• 0%
• 25%
• 50%
• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

What genotype would go in box 3?

• BB
• Bb
• bb

Tags

NGSS.HS-LS3-1

What genotype would go in box 1?

• BB
• Bb
• bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The combination of genes a person has, represented by letters, is their...

• Genotype

• Phenotype

• Chromosome

• Punnett Square

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Having a Widow's Peak is dominant (W) over not (w). If parent A (WW) and parent B (ww) have a child, what is the likelihood that--

• Ww

• The child will not have a widow's peak

• 0%

• The genotype of these children

• 100%

• The child will have a widow's peak

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Two heterozygous (Tt) tall pea plants are crossed. Tall (T) is dominant. Short (t) is recessive. Which is the likelihood of each phenotype?

• 50% tall and 50% short

• 75% tall and 25% short

• 100% short

A heterozygous long-tusked elephant is crossed with a homozygous recessive short-tusked elephant. What is the probability of the offspring having short tusks?

• 0%
• 25%
• 50%
• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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-LS3-2

NGSS.HS-LS3-3

B = brown eyes

b = blue eyes

One brother has genotype BB and the other brother has genotype Bb.

Which statement is true about these two brothers?

• They have same phenotype and genotype

• They have different phenotypes and genotypes

• They have same phenotype, but different genotypes

• They have different phenotypes, but the same genotype

Tags

NGSS.HS-LS3-1