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Which term describes a type of trait that is usually expressed only when an organism has two identical alleles for the trait?

A- homozygous

B- dominant

C- heterozygous

D- recessive

My guess is A.

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Skye

  1. Why are you guessing? What is the definition of homozygous?

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    Ms. Sue

  2. I meant that my choice is A.

    The definition of homozygous is having two identical alleles for a gene being considered.

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    Skye

  4. You're right.

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    Ms. Sue

  5. So the correct answer is A?

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    Skye

  6. Yes.

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    Ms. Sue

  8. Thank you! :)

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    Skye

  9. You're welcome.

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    Ms. Sue

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