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Type: Multiple-Choice
Category: DNA, RNA, and Genetics
Level: Grade 9
Author: trinilicy
Last Modified: 23 days ago

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DNA, RNA, and Genetics Question

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Grade 9 DNA, RNA, and Genetics

In order to produce a normal baby boy, an egg must be fertilized with a sperm containing
  1. a Y chromosome.
  2. an X chromosome.
  3. two X chromosomes.
  4. an X and Y chromosome.
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