Pedigrees and Genotypes

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

• HH
• Hh
• hh
• None of the above

What type of heredity is shown in the pedigree?
(hint: check your notes - "modes of inheritance")

• Sex-Linked Dominant
• Sex-Linked Recessive
• Autosomal Dominant
• Autosomal Recessive 

If this pedigree shows a recessive disorder, what MUST the genotype of individual 4 be?

• HH

• Hh

• hh

How many kids did the mother and father from the first generation have?

• 2
• 4
• 5
• 6

How are individuals I-2 and III-5 related?

• Grandpa and grandson
• Mom and son
• Uncle and nephew
• Grandma and grandson

Huntington's Disease is a dominant trait.
What is the correct genotype for individual I-2?

• HH
• Hh
• hh
• H_

Does this pedigree show a dominant or recessive trait?

• Dominant
• Recessive

Imagine the shaded individuals are those WITH a "hitchhikers thumb." What must be the genotype of individual II-1?

• TT
• tt
• Tt
• Impossible to tell

Is this trait (the shaded individuals) dominant or recessive?

• dominant
• recessive

Chromosome that is not a sex chromosome

• Chromosome
• Autosome
• Sex Chromosome
• Homologous pair