Pedigree inheritance

pedigreeWhat type of heredity is shown in the pedigree?

• Cannot tell
• Sex-Linked
• Autosomal Dominant
• Autosomal Recessive 

What type of heredity is shown in the pedigree?

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

Freckles (F) are dominant over nonfreckles.   What is the phenotype of individual #3

• Ff
• ff
• freckles 
• nonfreckles 

What is the mode of inheritance shown here?

• Autosomal Dominant
• Autosomal Recessive
• Sex Linked Recessive

Color Blindness is a sex-linked disease.  Therefore, it HAS to affect which pair of chromosomes?

• 21
• 23
• 24
• 1-22

The genotype of the affected son and daughter at the bottom of this pedigree must be:

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

Which of the following combinations of sex chromosomes represent a female?

• XY
• XXY
• XX

What do half colored symbols represent?

• The individual is a carrier (heterozygous).
• The individual expresses the trait.
• The individual has both recessive alleles.
• The individual has both dominant alleles.

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

• 2
• 3
• 5
• 6

How many people in this whole pedigree have the trait/disease?

• 2
• 3
• 4
• 6