In humans, Cystic Fibrosis is caused by a recessive allele on chromosomes 7. A person must inherit two of these alleles to have the disease. What are the chances of a child having the disease if both of the parents are heterozygous?

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Chapter9: Patterns Of Inheritance
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In humans, Cystic Fibrosis is caused by a recessive allele on chromosomes 7. A person must inherit two of these alleles to have the disease. What are the chances of a child having the disease if both of the parents are heterozygous?
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Sir Gregor Mendel was a priest and a teacher who did the famous hybridization experiment on garden pea plants. Mendel presented his work in a paper entitled “Experiments in plant hybridization” at the meeting of the natural history society of Brunn. Mendel gave various postulates regarding the inheritance of characters and these postulates later became the law of Mendel. The three laws given by Mendel are the law of dominance, the law of segregation, and the law of independent assortment.

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