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Questions and Answers
What is the primary function of vegetative reproduction in plants?
What is the primary function of vegetative reproduction in plants?
Which of the following is an example of vegetative reproduction?
Which of the following is an example of vegetative reproduction?
What is the process called when pollen is transferred from a male reproductive structure to a female reproductive structure?
What is the process called when pollen is transferred from a male reproductive structure to a female reproductive structure?
What is the process of formation of a diploid zygote from a haploid egg and sperm?
What is the process of formation of a diploid zygote from a haploid egg and sperm?
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What is the stage of animal development where three germ layers are formed?
What is the stage of animal development where three germ layers are formed?
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What is the process of reproduction that involves the fusion of two nuclei to form a zygote?
What is the process of reproduction that involves the fusion of two nuclei to form a zygote?
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What type of reproduction produces genetically identical offspring from one parent?
What type of reproduction produces genetically identical offspring from one parent?
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What is the type of asexual reproduction where a new individual develops from some generative anatomical point of the parent organism?
What is the type of asexual reproduction where a new individual develops from some generative anatomical point of the parent organism?
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What is the process by which new individuals of a species are produced and genetic material is passed from generation to generation?
What is the process by which new individuals of a species are produced and genetic material is passed from generation to generation?
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What is the term for the type of reproduction that occurs in plants and involves the production of new individuals from roots, stem, or leaves?
What is the term for the type of reproduction that occurs in plants and involves the production of new individuals from roots, stem, or leaves?
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Study Notes
Reproduction
- Reproduction is the process by which new individuals of a species are produced and genetic material is passed from one generation to the next.
Types of Reproduction
- Asexual reproduction: produces genetically identical offspring from one parent
- Types:
- Binary fission: separation of the body into two new bodies
- Budding: a new individual develops from a generative anatomical point of the parent organism
- Fragmentation: parent organism breaks into fragments, each developing into a new individual
- Sporulation: unicellular spores detach from parent and develop into new individuals
- Cloning: mitotic division resulting in a clone with exact genetic makeup
- Parthenogenesis: growth and development of embryos without fertilization by sperm
- Types:
Sexual Reproduction
- Involves the fusion of two nuclei to form a zygote, producing genetically dissimilar offspring
Vegetative Reproduction
- Refers to plant organs consisting of roots, stem, and leaves
- Natural vegetative reproduction: utilizes plant organs other than seeds and spores, serving as plants' means of maintaining their species
- Artificial vegetative reproduction: frequently used to give rise to new and sometimes novel plants
- Methods:
- Grafting
- Cutting
- Layering or Runner
- Methods:
Reproduction in Flowering Plants
- Process involves pollination: transfer of pollen from a male reproductive structure (anther) to a female reproductive structure (stigma) by a vector such as wind or insects
- Self-pollination: pollen grains are transferred to the stigma of the same flower or same plant
- Cross-pollination: pollen grains are transferred to the stigma of different plants
Reproduction in Animals
Stages of Animal Development
- Gametogenesis: production of sperm (spermatogenesis) and eggs (oogenesis) through meiosis
- Fertilization: formation of a diploid zygote from a haploid egg and sperm
- Cleavage: period of rapid cell division without growth
- Gastrulation: formation of three germ layers: ectoderm, mesoderm, and endoderm
- Organogenesis: development of rudimentary organs from germ layers
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Description
Learn about the process of reproduction, its types, and how it differs in plants and animals. Understand the concept of asexual reproduction and its types.
