Question

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

Answer #1

the CF- allele causing the recessive autosomal disease cystic fibrosis is 0.02 it indicates that out of 100 2 are suffering from disease. 98 are not affected. So here P = .98 and Q= .02

expectation of **f(AA)** =
**p2**

expectation of **f(Aa)** =**2pq**

expectation of **f(aa)** = **q2
**

Hardy Weinberg states that allele and genotype frequencies in a
population will remain constant from generation to generation in
the absence of other evolutionary influences. hardy Weinberg is
based on the principle of random mating. So, q for next generation
will be .02 only

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...

Cystic fibrosis is a disease caused by a recessive
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the gene that causes cystic fibrosis in the population?
0.35
0.65
0.12
0.46

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 (CF) is caused by a recessive allele. A couple
who do not have CF have a child that has CF. What is the
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1/2 or 50%
1/4 or 25%
3/4 or 75%
0%

The Autosomal Recessive disease, Cystic Fibrosis (CF),
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If Jill’s Paternal Aunt is affected and her Paternal
Grandparents are unaffected. There is a 2/3 probability her father
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B.
In the future, Jill’s parents have another child and
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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
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B.
In the future, Jill’s parents have another child and that child
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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...

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