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Probability 1
Pedigree Analysis
Probability 2
Pedigree Analysis
Probability 3
100
An individual with genotype AabbccDd is crossed with an individual with genotype aaBbccDD. What is the probability that they will produce offspring with the genotype AaBbccDd?
What is 1/8
100
II3 in the pedigree below has two brothers with hemophilia A, a bleeding disorder that is inherited as an X‑linked recessive trait. What is the probability that she has an affected son?
What is 1/4
100
What is the probability of rolling two 6-sided die and obtaining the numbers 2 & 3?
What is 1/36
100
What type of inheritance does this pedigree show?
What is x-linked dominant
100
What is the probability that two parents heterozygous for an autosomal recessive condition will produce two unaffected children?
What is 9/16
200
What is the probability of rolling two 6-sided die and obtaining a 3 or 4 on the first die and a 3 or 4 on the second die?
What is 1/9
200
What type of inheritance does this pedigree exhibit? Assign all genotypes.
What is x-linked recessive.
200
Cystic Fibrosis is an autosomal recessive disease. If two heterozygous carriers of the disease have a child, what is the probability that the child is an affected girl?
What is 1/8
200
What type of inheritance is exhibited in this pedigree?
What is Y-linked.
200
A father carries an x-linked dominant allele for a disease and the mother is not affected with the disease, what is the probability that all daughters are affected?
What is 100%
300
If a person who is heterozygous for polydactyly (an autosomal dominant trait) marries a person who is also heterozygous for polydactyly, what is the probability that they will have 4 normal children and 2 children with extra fingers or toes?
What is 0.03
300
Given a cross between a plant that is heterozygous purple-flowered and a plant that is homozygous white-flowered, what is the probability of obtaining 4 purple flowers and 7 white flowers among the offspring?
What is 0.161
300
In dogs, black fur is dominant to yellow. If two heterozygotes are crossed what is the probability that they have a first litter of six pups, four w black fur and 2 w yellow, and then a second litter of seven pups, five w black and 2 w yellow.
What is 0.092