targeted practice final exam

What percentage of the offspring will have this recessive disease?

• 0%
• 25%
• 50%
• 75%

What percentage of the female offspring will be a carrier for this recessive disease?

• 0%
• 50%
• 100%
• 25%

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

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

• X^HX^h
• X^hX^h
• X^HY
• X^hY

What is the inheritance of color blindness an example of?

• co-dominance

• continuous variation

• karyotype cross

• sex linkage

What type of inheritance do two alleles have if their traits blend together?

• Incomplete Dominance

• Codominance

• Complete dominance

• Sex-Linked

Both traits expressed TOGETHER (not blended)

• Codominance

• Incomplete Dominance

• Mendelian trait

• Sex-linked

Colorblindness is a sex-linked recessive disorder. A normal woman whose father was colorblind marries a man with normal color vision. What percentage of their sons will be colorblind?

• 0%
• 25%
• 50%
• 100%

Hemophilia is a sex-linked recessive disorder. A woman with hemophilia marries an unaffected man whose father had hemophilia. What percentage of their daughters will have hemophilia?

• 0%
• 25%
• 50%
• 100%

What are formed when water vapor condenses?

• Clouds

• Mountains

• Transpiration

• Valleys