Question

The Autosomal Recessive disease, Cystic Fibrosis (CF),
runs in Jill’s family. Jill is unaffected. Based on this data,
select which of the following statements could be True?

A.

If Jill’s Paternal Aunt is affected and her Paternal Grandparents are unaffected. There is a 2/3 probability her father is a Carrier

B.

In the future, Jill’s parents have another child and that child has CF. Therefore, her parents have a 100% probability of being Carriers

C.

Jill could never produce a child that is affected with CF

D.

Only, A and B are True

E.

A, B, and C are True

Answer #1

**1) The Autosomal Recessive disease, Cystic Fibrosis
(CF), runs in Jill’s family. Jill is unaffected. Based on this
data, select which of the following statements could be
True?**

**D) A and B are true**

Cystic fibrosis is inherited in an autosomal recessive manner. Our genes come in pairs, with one copy inherited from each parent.When both parents are carriers for a recessive disorder, each child has a 1 in 4 chance of inheriting the two changed gene copies.

If Jill’s Paternal Aunt is affected and her Paternal Grandparents are unaffected. There is a 2/3 probability her father is a Carrier

In the future, Jill’s parents have another child and that child has CF. Therefore, her parents have a 100% probability of being Carriers so the both A and B are true

The Autosomal Recessive disease, Cystic Fibrosis (CF), runs in
Jill’s family. Jill is unaffected. Based on this data, select which
of the following statements could be True?
A.
If Jill’s Paternal Aunt is affected and her Paternal
Grandparents are unaffected. There is a 2/3 probability her father
is a Carrier
B.
In the future, Jill’s parents have another child and that child
has CF. Therefore, her parents have a 100% probability of being
Carriers
C.
Jill could never produce a...

Question 5
Cystic fibrosis (CF) is a recessive gene disease meaning that a
child has to inherit a defective CF gene from each parent. This
means that there is a 25% chance of a child having cystic fibrosis
if both parents are CF carriers Hence the number of children with
CF (in a family whose parents are CF carriers) has a binomial
distribution with n = the number of children in the family and p=
0.25
i. In a family...

Question 5
Cystic fibrosis (CF) is a recessive gene disease meaning that a
child has to inherit a defective CF gene from each parent. This
means that there is a 25% chance of a child having cystic fibrosis
if both parents are CF carriers Hence the number of children with
CF (in a family whose parents are CF carriers) has a binomial
distribution with n = the number of children in the family and p=
0.25
i. In a family...

Cystic fibrosis (CF) is an autosomal recessive disease. In a
South American country, a study was conducted to test the
hypothesis that cystic fibrosis carriers were less likely to be
affected and die from by tuberculosis (TB) infection. To begin the
quantitative study, researchers needed to identify the number of
individuals in the population that were carriers, knowing the
frequency of the cystic fibrosis allele was 0.1 in the population.
After their analysis, the researchers concluded that there was
evidence...

Cystic fibrosis is an autosomal recessive disorder. Beth and Tom
do not have cystic fibrosis but each have a sibling with cystic
fibrosis. Beth's parents and Tom's mother do not have the disease.,
but Tom's father does. Calculate the probability that if this
couple has a child, the child will NOT have cystic fibrosis.

Cystic fibrosis (CF) is an autosomal recessive disease. In a
South American country, a study was conducted to test the
hypothesis that cystic fibrosis carriers were less likely to be
affected and die from by tuberculosis (TB) infection. To begin the
quantitative study, researchers needed to identify the number of
individuals in the population that were carriers, knowing the
frequency of the cystic fibrosis allele was 0.1 in the population.
After their analysis, the researchers concluded that there was
evidence...

Cystic fibrosis is one of the most common autosomal recessive
disorders. The carrier frequency in a general population is 1/25. A
woman who knows she is heterozygous for the mutation that causes
cystic fibrosis (CF) marries a man with no family history of CF at
all. What is the probability that they will produce a child that
has cystic fibrosis?
Suppose the couple above has a child with cystic fibrosis. What
is the chance that their second child will have...

Cystic fibrosis is one of the most common autosomal recessive
disorders. The carrier frequency in a general population is 1/25. A
woman who knows she is heterozygous for the mutation that causes
cystic fibrosis (CF) marries a man with no family history of CF at
all. What is the probability that they will produce a child that
has cystic fibrosis? Suppose the couple above has a child with
cystic fibrosis. What is the chance that their second child will
have...

Attached earlobe and cystic fibrosis are both autosomal
recessive traits. A woman with attached earlobes, that is a carrier
of cystic fibrosis, marries a man that is genotypically normal for
cystic fibrosis and is a carrier of the attached earlobe trait.
What is the probability that they will have a child with
non-attached earlobes that is a carrier of cystic fibrosis?
A- 1/4
B-1/16
C-1/2
D-3/4

Among U.S. Caucasians, the frequency of the CF- allele causing
the recessive autosomal disease cystic fibrosis is 0.02. What is
the Δq for the CF allele after one generation of random
mating and selection?

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