2.2.3

If B = brown hair and b = blonde hair, what is the probability of brown hair?

• 25%

• 50%

• 0%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Which of the following correctly states the genotype probabilities for the offspring of the parents shown in this punnett square?

• 50% heterozygous 50% homozygous dominant

• 50% heterozygous 50% homozygous recessive

• 50% heterozygous 25% homozygous recessive 25% homozygous dominant

• 100% heterozygous

Tags

NGSS.HS-LS3-1

Julie learned that curly hair is dominant over straight hair. She began to wonder if two parents with curly hair could produce offspring with straight hair. Which of the following punnett squares shows curly haired parents that can produce offspring with straight hair?

• 
• 
• 
• 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In this pedigree, the shading represents people in the family with dark hair while the unshaded represents blondes. Is dark hair controlled by a dominant or recessive allele?

• Dominant

• Recessive

Tags

NGSS.HS-LS3-1

Which letter represents amplitude? (a)  

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS4-1

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

Dominant alleles are represented by a:

• Male gene

• lowercase letter

• recessive trait

• capital letter

How many individuals are there in the 3rd generation?

• 2

• 3

• 4

• 6

Tags

NGSS.HS-LS3-1

How are individuals III-2 and II-4 related?

• Cousins

• Dad and Daughter

• Uncle and Niece

• Grandpa and Granddaughter

Tags

NGSS.HS-LS3-1

How many kids did the mother and father from the first generation have?

• 2

• 4

• 5

• 6