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Health les.5 DMS7
Health lesson 5 chapter 12 DMS scua 7th grade
Question | Answer |
---|---|
located in the cell's of the nucleus, are threadlike structures that carry genes | Chromosomes |
the basic units of heredity, carry codes for inherited traits | genes |
a fertilized egg contains _______ chromosomes | 46 |
a sperm has ____ chromosomes, and an egg also has ______ chromosomes | 23 |