Answer:
In metaphase 1, chromosomes from the mother and father line up randomly along the middle of the cell.
Explanation:
In diploid (2n) organisms, the homologous chromosomes are the two copies of each chromosome, where one of these homologs is the chromosome from the mother, while the second one is from the father. During metaphase I, the homologous pairs of chromosomes pair together at the middle of the cell. The law of independent assortment, also known as or Mendel's Second Law, states that homologous chromosomes line up in random orientations at the metaphase plate during this period (metaphase I).
Answer:
Lara uses more water
Explanation:
because Lara takes longer showers, uses the dishwasher more often, and keeps the water on while brushing her teeth while Mateo takes shorter showers which uses less water. Washing your hands and keeping the water off while brushing will consume less water as well.
Two beneficial uses of bacteria include the following:
1. <span>Microbial fermentation helps produce many foods & beverages. Latic acid bacteria are used in producing milk, yogurt, pickles, olives, etc. Bacteria are also involved in making fermentated meats, producing vinegar, chocolate, soy sauce, etc.
2. </span><span>Bacteria can be genetically modified to produce human vaccines like insulin, which is required for diabetic patients.</span>
Answer is A. A population becomes separated by environmental factors into two groups that do not reproduce with one another.
When a population of a species become geographically separated then gene flow between them stops. Over a period of time, the population may become genetically different in response to the natural selection due to different environments. Selection and genetic drift will act differently on these two separated populations. This will results into two separate species. This type of speciation is called allopatric speciation.
The right order for the fungi to reproduce sexually is:
<u>hyphae exchange genetic material, a spore forms, and the spore grows into a genetically unique fungus.</u>
<h3>What is fungus?</h3>
- Any member of the eukaryotic group of organisms, which also includes the more well-known mushrooms and microbes like yeast and mold, is referred to as a fungus.
- Some of the examples for Fungi are rusts, yeasts, molds, stinkhorns, truffles, mushrooms
<h3>Where can you find fungi?</h3>
- Fungi can be incredibly sophisticated multicellular organisms or single-celled critters.
- They can be found in almost any location, but the majority of them prefer to dwell on land, primarily in soil or on plant matter, as opposed to the sea or fresh water.
<h3>Reproduction in Fungus:</h3>
- Most fungi have sexual and asexual reproduction abilities.
- This enables them to adapt to environmental changes.
- When the environment is stable, they can spread swiftly through asexual reproduction.
<h3>Asexual reproduction in fungi:</h3><h3>fragmentation </h3>
- Hyphae fragments can sprout new colonies.
- A fungal mycelium fragments as it splits into pieces, with each piece developing into a new mycelium.
<h3>budding</h3>
- Most yeasts and some filamentous fungi engage in budding, which is an additional asexual reproduction strategy.
- This process results in the development of a bud, whose cytoplasm is continuous with that of the parent cell, on the surface of either the yeast cell or the hypha.
<h3>producing spores.</h3>
- The majority of fungi reproduce by producing spores, which can endure harsh conditions including extreme cold and a lack of water.
- Depending on the species and environmental factors, asexual and sexual meiotic spores can both be formed during mitosis.
- A diploid and haploid stage coexist in the majority of fungi's life cycles.
<h3>Sexual reproduction in fungi:</h3>
Plasmogamy, karyogamy, and meiosis are the three successive steps of sexual reproduction in fungi.
<h3>Plasmogamy:</h3>
Plasmogamy unites two compatible haploid nuclei by joining two protoplasts, or the contents of two cells.
<h3>Karyogamy: </h3>
- These haploid nuclei fuse together during karyogamy to form a diploid nucleus (i.e., a nucleus containing two sets of chromosomes, one from each parent).
- The zygote is the name for the cell created during karyogamy.
- In the majority of fungus, the sole diploid cell throughout the whole life cycle is the zygote.
<h3>Meiosis:</h3>
- Meiosis (reduced division) starts the haploid phase, which generates the gametes, and restores the haploid amount of chromosomes.
- With the exception of the zygote, all structures in the bulk of fungi are haploid.
- At the time of zygote formation, nuclear fusion occurs, and meiosis immediately follows.
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