Podcast
Questions and Answers
In asexual reproduction, how is the genetic code contributed to the offspring?
In asexual reproduction, how is the genetic code contributed to the offspring?
- A single individual contributes 100% of the genetic code (correct)
- The offspring is a hybrid of the parent organisms
- Two individuals contribute genetic information
- The offspring has traits from both parent organisms
What type of reproduction process is common in unicellular organisms like yeast?
What type of reproduction process is common in unicellular organisms like yeast?
- Asexual reproduction through cytokinesis
- Sexual reproduction with cytokinesis
- Asexual reproduction through mitosis (correct)
- Sexual reproduction with mitosis
What distinguishes sexual reproduction from asexual reproduction?
What distinguishes sexual reproduction from asexual reproduction?
- Two individuals contributing genetic information to the offspring
- Clones of the parent organism as offspring
- Replication of genetic material through mitosis
- Genetic and physical traits from both parent organisms in the offspring (correct)
What is the process of making sex cells for reproduction called?
What is the process of making sex cells for reproduction called?
Which type of reproduction sacrifices genetic diversity for speed?
Which type of reproduction sacrifices genetic diversity for speed?
What type of cells are involved in sexual reproduction and require transportation?
What type of cells are involved in sexual reproduction and require transportation?
What is the process of making sex cells called?
What is the process of making sex cells called?
Which reproductive process specifically produces haploid gametes?
Which reproductive process specifically produces haploid gametes?
What is the result of mitosis in terms of the genetic material?
What is the result of mitosis in terms of the genetic material?
Which reproductive method involves the fusion of gametes from two parents to produce genetically diverse offspring?
Which reproductive method involves the fusion of gametes from two parents to produce genetically diverse offspring?
Flashcards
Asexual Reproduction
Asexual Reproduction
A type of reproduction where a single parent produces offspring that are genetically identical to itself.
Genetic Code Contribution (Asexual)
Genetic Code Contribution (Asexual)
100% of the genetic material comes from a single parent.
Mitosis in Reproduction
Mitosis in Reproduction
A cell division method used in asexual reproduction, creating identical copies.
Sexual Reproduction
Sexual Reproduction
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Gametes
Gametes
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Meiosis
Meiosis
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Gametogenesis
Gametogenesis
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Haploid Gametes
Haploid Gametes
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Diploid Cells
Diploid Cells
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Sexual vs. Asexual
Sexual vs. Asexual
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Study Notes
- Plants use pollen, released as male gametes, to fertilize eggs. Pollen can be spread by the wind or carried by pollinators.
- In humans and other mammals, females produce eggs (ovum) and males produce motile sperm.
- Gametogenesis is the process of making sex cells. Both oogenesis (egg production) and spermatogenesis (sperm production) involve a diploid parent cell undergoing mitosis and meiosis to create haploid daughter cells.
- In humans, oogenesis starts in the pre-natal stage and continues throughout life. Spermatogenesis takes place in the reproductive system of males.
- In oogenesis, a primary oocyte undergoes meiosis and produces a secondary oocyte and a polar body. The secondary oocyte will complete meiosis II and become a true ovum upon fertilization.
- Spermatogenesis involves the division of diploid spermatogonia into haploid spermatocytes, which then undergo meiosis to form haploid spermatids. Spermatids undergo a morphological change to become fully functional sperm cells.
- Mitosis is a cellular division process that results in diploid cells. It is a means of asexual reproduction but is not used for sexual reproduction as it does not halve the genetic material.
- Meiosis is a process specifically used for sexual reproduction to produce haploid gametes.
- Asexual reproduction involves the splitting of a parent cell to produce identical daughter cells, while sexual reproduction involves the fusion of gametes from two parents to produce a genetically diverse offspring.
- Humans and most mammals, amphibians, fish, and birds reproduce sexually. Plants can reproduce both sexually (producing seeds and pollen) and asexually (through budding, fission, or vegetative propagation).
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