Unit 9 Checkpoint D/E

When one allele is not dominant over another, resulting in a blended phenotype for heterozygous offspring is considered....

• Incomplete Dominance

• Codominance

• Complete Dominance

When both alleles for a trait are dominant, resulting in both traits expressed in a heterozygous individual.....

• Incomplete Dominance

• Codominance

• Complete Dominance

Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).

Cross a red flower with a speckled flower. What is the phenotypic ratio (result) ?

• 2 red, 2 speckled

• 2 red, 2 blue

• 2 blue, 2 speckled

Tags

NGSS.HS-LS3-1

Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).

Cross two speckled flowers.

• 1 red, 2 speckled, 1 blue

• 2 red, 2 blue

• 2 blue, 2 speckled

• 1 red, 1 speckled, 2 blue

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

This type of inheritance pattern is a MIXTURE of two traits. This is known as ---

• incomplete dominance.

• codominance

Tags

NGSS.HS-LS3-1

What type of inheritance pattern is shown here?

• Codominance

• Incomplete dominance

Tags

NGSS.HS-LS3-1

On a pedigree what does a filled in square represent?

• Not affected Female

• Not affected Male

• Affected Male

• Affected Female

How many generations are shown in this pedigree?

• 1
• 2
• 3
• 4

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 do half colored symbols represent?

• The individual is a carrier (heterozygous).
• The individual expresses the trait.
• The individual has both recessive alleles.
• The individual has both dominant alleles.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2