Question
Question: A sample of DNA from a person suspected of having sicke-cell anaemia is subjected to DNA hybridizati...
A sample of DNA from a person suspected of having sicke-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 -
A
Is homozygous dominant for the sickle-cell gene
B
Is heterozygous for the sickle-cell gene
C
Is heterozygous recessive for the sickle cell gene
D
Has sickle cell anaemia
Answer
Is heterozygous recessive for the sickle cell gene