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Quarterly Review
| Question | Answer |
|---|---|
| Sexual Reproduction | each parent contributes 50% to the offspring |
| Asexual Reproduction | one parent contributes 100% to the offspring |
| Cancer | abnormal cell growth and division |
| Variation | differences that occur in offspring during sexual reproduction |
| Gene | a small section of a chromosome |
| Mutation | a change in the genetic code which creates variation; can be helpful or harmful creating a disease or disorder |
| Body cell | contains a full set of chromosomes |
| Sperm cell | contains only half the chromosome number |
| Mitosis | cell division that involves the growth and repair of cells |
| Protein | genes code for proteins that create traits |
| Sickle Cell Anemia | a disease that produces abnormal shaped red blood cells that do not carry the proper amount of oxygen; this is caused by a mutation |
| egg cell | female sex cell involved in fertilization |