A couple in Indiana are both heterozygous for the autosomal recessive allele for albinism. They have...
A couple in Indiana are both heterozygous for the autosomal recessive allele for albinism. They have two children. What is the probability that both children will be phenotypically normal and identical with regard to skin color?
A) 3/4
B) 1/16
C) 1/4
D) 9/16
E) 5/8
Please show math!
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A couple in Indiana are both heterozygous for the autosomal
recessive allele for albinism. They have...
If both husband and wife are known to be heterozygous for the autosomal recessive condition of...
If both husband and wife are known to be heterozygous for the autosomal recessive condition of albinism, what is the probability that among their four children, three will be normal and one will have albinism? I know that each child has a 3/4 probability of being normal and 1/4 probability of having albinism. So is the answer 3/4 * 3/4 * 3/4 * 1/4? Or do you just do 3/4 * 3/4 * 3/4?
albinism is caused by a recessive QUESTION 6 Albinism (lack of skin and hair pigmentation) is...
albinism is caused by a recessive
QUESTION 6 Albinism (lack of skin and hair pigmentation) is caused by a recessive autosomal allele. A woman and man both normally pigmented, have an albino child together. For this trait, what is the genotype of the albino child? O A. It is unknown, because not enough information is provided. O B. heterozygous O C. homozygous dominant OD.homozygous recessive O E. It depends on the environment that the child lives in. QUESTION 7 in...
QUESTION 31 "Both parents are carriers of the allele for Albinism, or lack of the pigment...
QUESTION 31 "Both parents are carriers of the allele for Albinism, or lack of the pigment melanin in skin or eyes. The equal probability of having male or female offspring with Albinism is 1 afflicted out of every 4 children. This suggests the condition is autosomal recessive X-linked recessive autosomal dominant X-linked dominant
6 A human trait that is caused by an autosomal dominant mutant allele has a penetrance...
6
A human trait that is caused by an autosomal dominant mutant allele has a penetrance of 50%. A man who is heterozygous for this mutant allele marries a woman who is homozygous recessive for the normal allele. If they have two children then what is the probability that both children will show the normal phenotype? O 1/4 o 1/2 03/16 0 7/8 09/16
24. Niemann–Pick disease is a fatal lysosomal storage metabolic disorder caused by an autosomal recessive allele....
24. Niemann–Pick disease is a fatal lysosomal storage metabolic disorder caused by an autosomal recessive allele. A couple, both of whom are heterozygous for the allele, are wanting to start a family. They are hoping to have three children. What is the probability that if they have three children, none of them will have Niemann–Pick disease? A. 1/4 B. 1/3 C. 2/3 D. 9/64 E. 27/64 25. A beetle with a striped carapace is crossed with one having striped wings,...
(c) Individual 14 carries a recessive allele for albinism (lack of normal body pigment) which is...
(c) Individual 14 carries a recessive allele for albinism (lack of normal body pigment) which is not sex-linked. She marries a man who is also a carrier for albinism but who does not carry the hemophilia allele. The genes exhibit independent inheritance. Using the symbol a for albinism and A for normal pigmentation, show by means of a suitable genetic diagram, the probability of this couple producing a male child who has both hemophilia and albinism.
Albinism (lack of skin pigmentation) is caused by a recessive mutation on one of the autosomal...
Albinism (lack of skin pigmentation) is caused by a recessive mutation on one of the autosomal chromosomes. A man and woman, both with normally pigmented skin, have an albino child together. The couple decide to have a second child. What is the probability that this second child will also be albino? zero O twenty-five % O fifty % seventy five % o one hundred %
A recently married couple would like to start a family. They are both heterozygous for albinism,...
A recently married couple would like to start a family. They are both heterozygous for albinism, a recessive genetic disorder. They would like to have three children. A. What is the probability that their first child would be albino? A. _____________________________ B. What is the probability that their first and second and third child would be albino? B. _____________________________ C. What is the chance that they will have 3 girls that are all albino? C. _____________________________ D. What is the...
Question 23 2.86/2.86 pts In Drosophila yellow body color is caused by a sex-linked recessive allele...
Question 23 2.86/2.86 pts In Drosophila yellow body color is caused by a sex-linked recessive allele and brown eye color is an autosomal recessive trait. A phenotypically normal female fly, heterozygous for both genes, is crossed to a male with normal body color and brown eyes. What proportion of their offspring should have yellow body color and brown eyes? Correct! 1/B 1/3 1/4 1/2
4. Albinism is due to a recessive, autosomal mutation. The frequency of albino squirrels is 4...
4. Albinism is due to a recessive, autosomal mutation. The frequency of albino squirrels is 4 x 10, while heterozygous squirrels, which are tan colored (and are lighter than wild- type squirrels), occur at frequency 0.004. Assume the population in at mutation-selection balance a. What is the frequency of the albino allele? Show work. b. If the mutation rate to new albino alleles is 10, what is the reduction of fitness of the heterozygote?
albinism is caused by a recessive
QUESTION 6 Albinism (lack of skin and hair pigmentation) is caused by a recessive autosomal allele. A woman and man both normally pigmented, have an albino child together. For this trait, what is the genotype of the albino child? O A. It is unknown, because not enough information is provided. O B. heterozygous O C. homozygous dominant OD.homozygous recessive O E. It depends on the environment that the child lives in. QUESTION 7 in...
QUESTION 31 "Both parents are carriers of the allele for Albinism, or lack of the pigment melanin in skin or eyes. The equal probability of having male or female offspring with Albinism is 1 afflicted out of every 4 children. This suggests the condition is autosomal recessive X-linked recessive autosomal dominant X-linked dominant
6
A human trait that is caused by an autosomal dominant mutant allele has a penetrance of 50%. A man who is heterozygous for this mutant allele marries a woman who is homozygous recessive for the normal allele. If they have two children then what is the probability that both children will show the normal phenotype? O 1/4 o 1/2 03/16 0 7/8 09/16
(c) Individual 14 carries a recessive allele for albinism (lack of normal body pigment) which is not sex-linked. She marries a man who is also a carrier for albinism but who does not carry the hemophilia allele. The genes exhibit independent inheritance. Using the symbol a for albinism and A for normal pigmentation, show by means of a suitable genetic diagram, the probability of this couple producing a male child who has both hemophilia and albinism.
Albinism (lack of skin pigmentation) is caused by a recessive mutation on one of the autosomal chromosomes. A man and woman, both with normally pigmented skin, have an albino child together. The couple decide to have a second child. What is the probability that this second child will also be albino? zero O twenty-five % O fifty % seventy five % o one hundred %
Question 23 2.86/2.86 pts In Drosophila yellow body color is caused by a sex-linked recessive allele and brown eye color is an autosomal recessive trait. A phenotypically normal female fly, heterozygous for both genes, is crossed to a male with normal body color and brown eyes. What proportion of their offspring should have yellow body color and brown eyes? Correct! 1/B 1/3 1/4 1/2
4. Albinism is due to a recessive, autosomal mutation. The frequency of albino squirrels is 4 x 10, while heterozygous squirrels, which are tan colored (and are lighter than wild- type squirrels), occur at frequency 0.004. Assume the population in at mutation-selection balance a. What is the frequency of the albino allele? Show work. b. If the mutation rate to new albino alleles is 10, what is the reduction of fitness of the heterozygote?
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