A woman with average height, and type A- blood, and a man with type B+ blood...

A woman with average height, and type A- blood, and a man with type B+ blood and achondroplastic dwarfism, have a daughter with type O- blood, average height and cystic fibrosis. Write the genotype of the mother, starting with ABO, Rh, height, cystic fibrosis, and sex. Be sure to follow the nomenclature rules. (For example: for a blue-eyed person with hairless knuckles, you would write b/b, kn/kn. For a brown-eyed person with hairy knuckles, write B/B, Kn/Kn, if the person is known to be homozygous; B/b, Kn/kn, if the person is known to be heterozygous; or B/?, Kn/? if the exact genotype of the person is not clearly known. Note the use of punctuation.)

Solutions

Expert Solution

For height character...
Woman - Average height
Man - achondroplastic dwarfism

daughter - Average height
As the height character is simple dominance trait, it indiates that the woman genotype is AA.
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For Blood type...
Woman - Type A
Man - Type B

daughter - Type O
it indiates that the woman genotype is iAiO.
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For Rh factor...
Woman - Rh -ve : -ve -ve
Man - Rh +ve: +ve -ve

daughter - Rh-ve : -ve -ve
it indiates that the woman genotype is -ve -ve.
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For Cystic fibrosis...
Woman - Normal
Man - Normal

daughter - Cystic fibrosis
it indiates that the woman genotype is heterozygou for Cystic fibrosis hence the answer is Cc.
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So, the genotype of the mother is iAiO -ve-ve AA Cc XX

Sydney Mullin answered 8 months ago

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