Question

If we denote a cystic fibrosis gene with a c and a disease-free gene with a C (since the disease is recessive), then only a cc person will actually have the disease. Such persons would ordinarily die before parenting children, but a child can also inherit the disease from two Cc parents (who themselves are

healthylong dash—that

is, have no symptoms but are "carriers" of the disease).

Suppose a child is born to one cystic fibrosis carrier parent and one non-carrier parent. Find the probability that that the child will

have thehave the

diseasedisease.

Answer #1

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 is a genetic disease caused by several variants
of a gene. It is autosomal recessive. In other words, an individual
must receive two copies of a cystic fibrosis genetic variant, one
from the father and one from the mother, to manifest the condition.
The probability that a child will be born with cystic fibrosis in
the US is about 0.0004.
a. Assuming independent inheritance from the father and mother,
what is the probability that any given copy of...

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.

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...

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...

If two normal (disease free) parents each carry the recessive
allele for cystic fibrosis, what is the chance one of their
children could inherit the disease?
Select one:
25% (1 out of 4)
100% (all children)
75% (3 out of 4)
50% (2 out of 4)
No children
Clear my choice
If Woody Guthrie had children with a women with Huntingtons
Disorder, which is true?
Select one:
no children would have it
two out of four children having the disorder...

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 (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...

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