Simple/Complex Genetics

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

NGSS.HS-LS3-2

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

In a pedigree, what shape represents a male?

• circle
• square
• triangle
• diamond

What is the gender of the individual whose karyotype is seen in the image?

• Male
• Female

What do we use pedigrees for?

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

Why do all the daughters in Generation II carry the colorblind gene?

• Because mom passed on the gene.
• Because dad passed on the X chromosome.
• Because their brother has it.
• Because their brother gave it to them.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What does a horizontal line between a square and a circle mean?

• They are siblings
• They are cousins
• They are married ("together")
• They are the children

Hemophilia is a recessive x-linked disorder.
Which genotype represents a female who is a carrier for hemophilia?

• X^HX^h
• X^hX^h
• X^HX^H
• X^hY

Tags

NGSS.HS-LS3-1

Hemophilia is a recessive x-linked disorder.
Which genotype represents a male with hemophilia?

• X^HX^h
• X^hX^h
• X^HY
• X^hY

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2