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Type: Multiple-Choice
Category: DNA, RNA, and Genetics
Level: Grade 9
Author: Caela
Last Modified: 7 years ago

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DNA, RNA, and Genetics Question

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Grade 9 DNA, RNA, and Genetics

If two parents with the dominant phenotype for a trait produce an offspring with the recessive phenotype, then it is probable that
  1. one parent is homozygous.
  2. one parent is heterozygous.
  3. both parents are homozygous.
  4. both parents are heterozygous.