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Attached earlobes are a recessive trait in humans. In the tree below, people with attached earlobes are shaded in. Which best describes the person labeled X in the tree? C. A male with one recessive allele
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Attached earlobes are a recessive trait in humans. In the tree below, people with attached earlobes are shaded in. Which best describes the person labeled X in the tree?

C. A male with one recessive allele
D. A male with no recessive alleles

Attached earlobes are a recessive trait in humans. In the tree below, people with-example-1
User Sequielo
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If this follows the normal format for genetic trees, its neither, as a circle is a female, not a male. If it is a female, then it would be a female with one recessive gene. 
User Mark Cameron
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