Human Inheritance

What is the genotype of a heterozygous organism? 

• Hh
• HH
• hh

Pick the disorder that is a recessive genetic disorder.

• Huntington's Disease

• Cystic Fibrosis

• Achondroplasia

• They are all recessive genetic disorders.

What is a carrier? 

• An individual is heterozygous for a dominant recessive genetic disorder.
• An individual is homozygous for a recessive genetic disorder. 
• An individual is heterozygous for a recessive genetic disorder. 
• An individual is homozygous for a dominant genetic disorder. 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Can an individual be a carrier for a dominant  genetic disorder. 

• Yes 
• No

Tags

NGSS.HS-LS3-1

Can two parents with albinism have an unaffected child?

• Yes

• No

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In the second generation-how many people have the disease or display the physical trait?

• 2
• 4
• 5
• 6

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the mode of inheritance shown here?

• Dominant genetic disorder

• Recessive genetic disorder

Tags

NGSS.HS-LS3-1

The genotype of the affected son and daughter at the bottom of this pedigree...

• homozygous dominant
• homozygous recessive
• heterozygous
• Can't tell

Tags

NGSS.HS-LS3-1

If this pedigree shows a recessive genetic disorder, what MUST the genotype of individual II-3 be?

• HH

• Hh

• hh

• None of the above

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many carrier males are present? 

• 2
• 4
• 6
• 8

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2