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Questions and Answers
What is a gamete in sexual reproduction?
What is a gamete in sexual reproduction?
- Haploid reproductive cells with a single set of chromosomes (correct)
- Reproductive cells found only in animals
- Reproductive cells found only in plants
- Diploid reproductive cells with two sets of chromosomes
In which organisms is sexual reproduction the most common life cycle?
In which organisms is sexual reproduction the most common life cycle?
- Fungi only
- Prokaryotes
- Multicellular eukaryotes (correct)
- Unicellular eukaryotes
What is the result of the combination of two gametes in sexual reproduction?
What is the result of the combination of two gametes in sexual reproduction?
- A zygote with a single set of chromosomes
- A zygote with four sets of chromosomes
- A zygote with two sets of chromosomes (correct)
- A zygote with no chromosomes
In which organisms does sexual reproduction not occur?
In which organisms does sexual reproduction not occur?
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What is the main difference in chromosome sets between gametes and the resulting organism in sexual reproduction?
What is the main difference in chromosome sets between gametes and the resulting organism in sexual reproduction?
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Study Notes
Gamete and Sexual Reproduction
- A gamete is a reproductive cell, either a sperm or an egg cell, that combines with another gamete during sexual reproduction to form a zygote.
Prevalence of Sexual Reproduction
- Sexual reproduction is the most common life cycle in multi-cellular organisms, such as animals, plants, and fungi.
Result of Gamete Combination
- The combination of two gametes (sperm and egg cells) results in the formation of a zygote, which develops into a new individual organism.
Exceptions to Sexual Reproduction
- Sexual reproduction does not occur in organisms that reproduce asexually, such as bacteria, some protozoa, and some fungi.
Chromosome Sets in Gametes and Offspring
- Gametes (sperm or egg cells) are haploid, meaning they have a single set of chromosomes, whereas the resulting organism is diploid, having two sets of chromosomes, one inherited from each parent.
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