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Question
Usually the recessive character is expressed only when present in a double recessive condition. However, a single recessive gene can express itself in human beings when the gene is present on which of the following?
Usually the recessive character is expressed only when present in a double recessive condition. However, a single recessive gene can express itself in human beings when the gene is present on which of the following?
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Solution
The correct option is C X chromosome of male
Human males are heterozygous in nature. Thus, on Y chromosome there are no genes; only X chromosome carries genes. If recessive gene is present on X chromosome, the person will be affected by the disease.
Human males are heterozygous in nature. Thus, on Y chromosome there are no genes; only X chromosome carries genes. If recessive gene is present on X chromosome, the person will be affected by the disease.
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