a) A man whose sister was an albino (due to an autosomal recessive mutation) marries an...
a) A man whose sister was an albino (due to an autosomal recessive mutation) marries an albino girl. If the couple has a child, what is the probability that they will have normal pigmentation? (Assume that if the problem does not state that an individual is an albino that they have normal pigmentation)
Hint: Make sure you take into account that the man is not an albino when you calculate your probability.
b) If you find out that the second child is an albino what are the odds that the next child will be an albino?
Homework Answers
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a) A man whose sister was an albino (due to an autosomal
recessive mutation) marries an...
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 %
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. For this trait, what is the genotype of the albino child? homozygous dominant homozygous recessive O heterozygous O hemizygous O unknown, not enough information
An albino, wet earwax woman marries a normal pigmented, dry earwax man. Their first child is...
An albino, wet earwax woman marries a normal pigmented, dry earwax man. Their first child is an albino with dry earwax. Their second child has normal pigmentation with wet earwax. What are the genotypes of all four people?
A man and woman are both of normal pigmentation, but both have one parent who is albino (without...
A man and woman are both of normal pigmentation, but both have one parent who is albino (without melanin pigmentation). Albinism is an autosomal (not sex-linked)recessive trait. What is the probability that their first female child will have albinism?
1. In carnations, the heterozygous plants have pink flowers, while the two homozygous plants have red...
1. In carnations, the heterozygous plants have pink flowers, while the two homozygous plants have red flowers or white flowers. When plants with red flowers are crossed with plants with white flowers, what proportion of the offspring will have pink flowers? - 08% - 25 % - 50 % - 75 % - 100 % 2. Albinism (lack of skin pigmentation) is caused by a recessive mutation on one of the autosomal chromosomes. A man and woman, both with normally...
3. Albinism is recessive to normal skin pigmentation. A man who is a carrier for albinism...
3. Albinism is recessive to normal skin pigmentation. A man who is a carrier for albinism but has normal pigmentation marries an albino woman. What are the genotypic and phenotypic ratios of possible children? 4. Left-handedness is caused by a recessive allele. A left-handed woman whose father and mother are right-handed marries a right-handed man whose mother is left-handed, father is right-handed and sister is left-handed. a. Determine the genotypes of all these people: left-handed woman's right-handed father: left-handed woman's...
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?
In humans, normal pigmentation is due to a dominant gene A. Albinism is due to a...
In humans, normal pigmentation is due to a dominant gene A. Albinism is due to a recessive allele a. A normal man marries an albino woman and their first child is albino. What are the genotypes of all three people? If they have more children what would their pigmentation be like?
Normal human skin pigmentation is dominant over the albino trait. If an albino man expects a...
Normal human skin pigmentation is dominant over the albino trait. If an albino man expects a child with a woman who has normal skin pigmentation and whose father was albino, what are the possible genotypes and phenotypes of the child? Could you give a detailed solution with explannation and pedigree table? Thank you!
a. Determine the most probable mode of inheritance: autosomal or sex-linked, dominant or recessive, of the...
a. Determine the most probable mode of inheritance: autosomal or sex-linked, dominant or recessive, of the disorders in the two pedigrees shown below and indicate the genotypes of as many individuals as possible. 0 0 | ●ㅇ 이 vod 0d b. If individual IV-1 from the first pedigree marries an affected woman, what is the probability that their first child is affected by the disorder? c. If individual IV-3 from the second pedigree marries a normal man, what is the...
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 %
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. For this trait, what is the genotype of the albino child? homozygous dominant homozygous recessive O heterozygous O hemizygous O unknown, not enough information
3. Albinism is recessive to normal skin pigmentation. A man who is a carrier for albinism but has normal pigmentation marries an albino woman. What are the genotypic and phenotypic ratios of possible children? 4. Left-handedness is caused by a recessive allele. A left-handed woman whose father and mother are right-handed marries a right-handed man whose mother is left-handed, father is right-handed and sister is left-handed. a. Determine the genotypes of all these people: left-handed woman's right-handed father: left-handed woman's...
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?
a. Determine the most probable mode of inheritance: autosomal or sex-linked, dominant or recessive, of the disorders in the two pedigrees shown below and indicate the genotypes of as many individuals as possible. 0 0 | ●ㅇ 이 vod 0d b. If individual IV-1 from the first pedigree marries an affected woman, what is the probability that their first child is affected by the disorder? c. If individual IV-3 from the second pedigree marries a normal man, what is the...
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