a child suffering from downs syndrome has 47 chromosome? how many Barr bodies can be seen in my cell of a female with downs syndrome child
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If a person is having a karyotype 47+ chromosomes, then the Barr bodies present will be two. So, the correct answer is '2'. Note: A person with two X chromosomes as in the case of human females has only one Barr body while the person with one X chromosome as in the case of human males will have no Barr body.
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