5 Questions
What is a gamete in sexual reproduction?
Haploid reproductive cells with a single set of chromosomes
In which organisms is sexual reproduction the most common life cycle?
Multicellular eukaryotes
What is the result of the combination of two gametes in sexual reproduction?
A zygote with two sets of chromosomes
In which organisms does sexual reproduction not occur?
Prokaryotes
What is the main difference in chromosome sets between gametes and the resulting organism in sexual reproduction?
Gametes are haploid, the resulting organism is diploid
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.
Test your knowledge of sexual reproduction in animals with this quiz. Explore the process of gamete formation, fertilization, and the development of a diploid organism. Sharpen your understanding of this fundamental aspect of animal biology.
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