etH 4.25.23 Penguin Pedigree

The following pedigree chart shows _______ females and ______ males that DO NOT have the trait.

• 7, 3

• 4, 4

• 3, 2

• 3, 3

• 57, 93.5

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many alleles does a person carry for a trait?

• 1

• 2

• 3

• 4

Does this pedigree show a dominant or recessive trait?

• Dominant
• Recessive

Tags

NGSS.HS-LS3-1

Sickle cell anemia is the recessive disease being studied here. Who has the disease?

• I-1 and II-2

• II-2 and II-4

• III-1, III-2, and III-3

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

 Which of these would best be described as a phenotype?

• blue eyes
• mutation
• Bb
• Tt

This is the recessive disease pedigree. What is the genotype of the oldest male in generation II? (oldest is on the left)

• Rr

• RR

• rr

• R?

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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