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Question

A condition where a certain gene is present in only a single copy in a diploid cell is called as

A
Homozygous
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B
Hemizygous
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C
Heterozygous
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D
Monogamous
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Solution

The correct option is B Hemizygous
The condition of having a single allele is known as hemizygous. For example, the gene present on the X-chromosome in males will have only one copy as there is only one X in them.
The condition of having both the similar alleles in a diploid cell is known as a homozygous condition.
The condition of having both the dissimilar alleles is known as heterozygous.
Monogamy is the relationship of spending complete life with a single partner. Thus, the correct answer is option B.

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