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Questions and Answers
What are the two forms of reproduction mentioned in the text?
What are the two forms of reproduction mentioned in the text?
- Binary and asexual
- Cloning and sexual
- Asexual and sexual (correct)
- Unisexual and binary
What is a major puzzle for biologists according to the text?
What is a major puzzle for biologists according to the text?
- The process of cloning
- The role of gametes in reproduction
- The cost of asexual reproduction
- The evolution of sexual reproduction (correct)
What is the two-fold cost of sexual reproduction?
What is the two-fold cost of sexual reproduction?
- Only 50% of organisms reproduce and organisms only pass on 50% of their genes (correct)
- All organisms reproduce but pass on only 25% of their genes
- All organisms reproduce but pass on only 50% of their genes
- Only 25% of organisms reproduce and organisms pass on 100% of their genes
What is created by meiosis and required for sexual reproduction?
What is created by meiosis and required for sexual reproduction?
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What is a form of asexual reproduction mentioned in the text?
What is a form of asexual reproduction mentioned in the text?
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Study Notes
Reproduction Forms
- Two forms of reproduction: sexual and asexual reproduction
Biologists' Puzzle
- Biologists are puzzled by the existence and maintenance of sexual reproduction in nature
Two-Fold Cost
- The two-fold cost of sexual reproduction:
- The cost of producing males (instead of producing only females that can reproduce)
- The cost of genetic recombination (reducing the chances of passing on beneficial traits)
Meiosis and Sexual Reproduction
- Meiosis creates haploid gametes (sperm and egg cells) required for sexual reproduction
Asexual Reproduction Method
- Binary fission is a form of asexual reproduction mentioned in the text
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