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

In the second generation-how many people are carriers of the trait?

• 2
• 3
• 5
• 6

How many females are in this pedigree?

• 3
• 4
• 6
• 7

In this pedigree, which gender can be carriers of colorblindness and not have it?

• Just males

• Just females

• Both genders

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

• HH
• Hh
• hh
• None of the above

Dominant or recessive?
tt

• Dominant 
• Recessive

Dominant or recessive?
Dd

• Dominant
• recessive
• neither
• homozygous

What are the possible combinations of a pea plant with the alleles PP and a male pea plant with the alleles pp.
P= purple
p= white

• all Pp
• all PP
• Pp,PP,Pp,PP
• all pp

Homozygous is when...

• the alleles are the same
• the alleles are different
• the alleles are absent
• the alleles are present