Unit 7 LT #2 | Pedigrees

How many alleles does a child get from each parent for a trait?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS3-1

What do we use pedigrees for?

• To look at families
• To make determinations about the offspring
• To track traits in families
• Nothing

In a pedigree, which shape represents a male?

• circle

• square

Which gender has an X and a Y chromosome?

• male

• female

Tags

NGSS.HS-LS3-1

Huntington's Disease is a dominant trait.

What is the correct genotype for individual I-2?

• HH

• Hh

• hh

• H_

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Hemophilia is a recessive sex-linked trait. If H = normal & h = has hemophilia, which genotype represents a male with hemophilia. 

• X^HY
• X^HX^h
• X^hX^h
• X^hY 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the genotype of the mother?

• BB
• bb
• Bb
• BB or Bb

Tags

NGSS.HS-LS3-1

How many generations are shown in this pedigree?

• 1
• 2
• 3
• 4

What is the mode of inheritance shown here?

• Autosomal Recessive

• Sex Linked Recessive

• Autosomal Dominant

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

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2