Symbols
Genotypes
Apply it!
100
What does this symbol represent in a pedigree?
A Female
100
Someone who is affected by a recessive disorder will have this genotype
Homozygous Recessive
100
How many carriers are in the pedigree below?
4 Carriers
200
What does this symbol represent in a pedigree? ?
A Male
200
What is the genotype for female chromosomes?
XX
200
What is the probability that a normal homozygous female (NN) and a disease male (nn) will have an offspring with the genotype (Nn)?
100%
300
What type of line represents a marriage between a female and a male?
A horizontal line.
300
What is the genotype for male chromosomes?
XY
300
Two parents who are heterozygous for Cystic Fibrosis (a recessive disorder) want to know what the probability of them have a child with cystic fibrosis is.
25%
400
What is the symbol that indicates a person has a trait?
Shaded in/ Colored shape
400
If a female is a carrier for Huntington's disease, what would be her genotype if h is the allele for Huntington's, and H is normal?
Hh (Heterozygous)
400
Examine the pedigree. Is this pedigree Dominant or Recessive?
Recessive
500
What is represented from the picture below? 
Twins
500
A normal female has a child with a male that has colorblindness. If N is the normal allele and n is the colorblindness allele, what is the probability that the children will be colorblind?
0%
500
Two parents have a child with sickle cell anemia, but both parents have normal blood. Based on this we can conclude that the trait for sickle cell anemia is...
Recessive