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  4. A sample of DNA from a person suspected of having sickle-cell anaemia is subjected to DNA hybridization using two probes. One that binds to the normal allele and another that binds to the sickle-cell allele. If both probes bind to the DNA, this individual

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Q. A sample of DNA from a person suspected of having sickle-cell anaemia is subjected to DNA hybridization using two probes. One that binds to the normal allele and another that binds to the sickle-cell allele. If both probes bind to the DNA, this individual

Biotechnology and its Applications

Solution:

Correct answer is (c) is heterozygous recessive for the sickle cell gene.