The chromosome partners get together and the two original chromosomes with their chromosome copy cling to each other and exchange genes between each partner. The cells divide two times and each time the chromosomes pull apart. The final results are sperm and egg cells with 23 chromosomes.
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Table of Contents
How does DNA of sexually produces offspring compare to the DNA of the parents?
Asexual reproduction generates offspring that are genetically identical to a single parent. In sexual reproduction, two parents contribute genetic information to produce unique offspring. Sexual and asexual reproduction have advantages and disadvantages—which is why some organisms do both!
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How does DNA produce offspring in asexual reproduction?
Asexual reproduction produces offspring that are genetically identical to the parent because the offspring are all clones of the original parent. A single individual can produce offspring asexually and large numbers of offspring can be produced quickly.
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How does the DNA of an a sexually reproducing plant relate to its parents?
Asexual reproduction only requires DNA from one parent. It creates offspring that are genetically identical to the parent. Genetically identical offspring are called clones. Clones lack genetic diversity.
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How does the DNA of sexually produce offspring compared to the DNA of the parents?
In sexually reproducing organisms, each parent contributes half of the genes acquired (at random) by the offspring. Individuals have two of each chromosome and hence two alleles of each gene, one acquired from each parent.
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How does the DNA of a bacterium compare to its parents?
How does the DNA of a bacterium compare to its parent’s? Cloning, exact replicas, all descendants have the same DNA except an occasional mutant.
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What happens to the genes when the two similar chromosomes embrace during meiosis?
First, each chromosome makes an exact copy of itself, keeping it attached at one point. They condense, creating an X-shape. Now the chromosome partners get together and the two, or actually four, will embrace. They cling so closely, big chunks carrying whole bunches of genes get exchanged between the partners.
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How many sperm are produced by the average human male each day?
Sperm is produced in the testes, where it takes approximately 10 weeks for a single sperm to reach maturity. Every day, a healthy adult male can produce around 70 to 150 million sperm.
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How does DNA in offspring produced by asexual reproduction compare to the parent organism?
Asexual reproduction generates offspring that are genetically identical to a single parent. In sexual reproduction, two parents contribute genetic information to produce unique offspring.
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How does DNA work in asexual reproduction?
Asexual reproduction occurs when a new organism is produced from a part of another organism via cell division. During cell division genetic material (DNA) in the nucleus is copied and then the nucleus divides into two identical nuclei.
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How are offspring produced in asexual reproduction?
In asexual reproduction, one parent copies itself to form a genetically identical offspring. Sea turtles are an example of an animal that reproduces sexually, a volvox (green algae) is an example of an organism that reproduces asexually, and a brittle star can reproduce in either way.
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Does DNA replicate in asexual reproduction?
The key ingredient in asexual reproduction is the faithful replication of the DNA into each new cell, because DNA contains the full set of instructions to make everything that new cell will need for life.
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How does the DNA of a sexually reproducing organism relate to its parents?
In sexually reproducing organisms, each parent contributes half of the genes acquired (at random) by the offspring. Individuals have two of each chromosome and hence two alleles of each gene, one acquired from each parent. These versions may be identical or may differ from each other.
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How does a plant produced by asexual reproduction compare to its parent?
Asexual reproduction produces plants that are genetically identical to the parent plant because no mixing of male and female gametes takes place.
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How does the DNA of the offspring formed from asexual reproduction compared to the parent?
Asexual reproduction generates offspring that are genetically identical to a single parent. In sexual reproduction, two parents contribute genetic information to produce unique offspring.
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What is the relationship between parents and offspring during asexual reproduction?
In asexual reproduction, one parent copies itself to form a genetically identical offspring. Sea turtles are an example of an animal that reproduces sexually, a volvox (green algae) is an example of an organism that reproduces asexually, and a brittle star can reproduce in either way.
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