Unit 8 Review: Punnett And Pedigrees

Which of the following is a phenotype?

• Aa
• red hair
• heterozygous
• DNA

Dominant alleles are represented by a:

• Male gene
• lowercase letter
• recessive trait
• capital letter

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

• 25%
• 50%
• 0%
• 75%

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-3

NGSS.HS-LS4-3

In certain species of plants, purple flowers (P) are dominant to white flowers (p). If two heterozygous plants are crossed, what will be the phenotype of the offspring?

• 100% purple flowers
• 100% white flowers
• 75% white flowers, 25% purple flowers
• 25% white flowers, 75% purple flowers

Tags

NGSS.HS-LS3-1

Black hair color is dominant to white hair color in mice.  Determine the phenotypic ratio for the offpring of a heterozygous black mouse and a white mouse.

• 4 Black: 0 White
• 3 Black: 1 White
• 2 Black: 2 White
• 0 Black: 4 White

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Give the genotype for person III-3

• GG
• Gg
• gg

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Give the genotype for person II-1

• GG
• Gg
• gg

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What does a filled in square represent?

• Not affected Female
• Not affected Male
• Affected Male
• Affected Female

This pedigree represents the inheritance of hemophilia in this family. How many of the females have the hemophilia trait?

• 8
• 5
• 2
• 3

Tags

NGSS.HS-LS3-1

What does an open circle represent?

• Not Affected Male
• Not Affected Female
• Affected Male
• Affected Female