Human somatic cells are diploid, 2n. Human sex cells are haploid, n. Thus, the ploidy of human cells is 2, while n=23.
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The aleurone layer is the outermost layer of the endosperm. Therefore it is also triploid and same as the ploidy of endosperm.
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The micropyle is a hole in the seed coat, it is literally nothing. Hence it is not made of cells and has no chromosomes.
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The ploidy of sperm is haploid. This means that sperm cells contain half the number of chromosomes compared to somatic cells. In humans, sperm cells have 23 chromosomes.
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In metaphase II, the ploidy of the cell is haploid because it has a single set of chromosomes. This is the result of the separation of sister chromatids in meiosis I, which reduces the chromosome number by half.
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Generally, a somatic cell in a human body has 46 chromosomes, which are two complete sets of 23 chromosome pairs. Because they have two sets, these cells have a ploidy level of diploid.
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Ploidy reduction is a process in which the number of sets of chromosomes in a cell is reduced. This can happen during meiosis, the process of cell division that produces gametes (sperm and egg cells) with half the normal number of chromosomes. Ploidy reduction is important for sexual reproduction to maintain the correct chromosome number in the offspring.
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Animal cells that are capable of meiosis are typically diploid, meaning they have two sets of chromosomes. During meiosis, these diploid cells undergo two rounds of cell division to produce haploid gametes with only one set of chromosomes.
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The endosperm of gymnosperms is typically triploid, meaning it has three sets of chromosomes. This ploidy level is the result of a double fertilization process, where one sperm fertilizes the egg cell and forms a diploid zygote, while the other sperm fertilizes the central cell to form the triploid endosperm.
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amitosis
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At the end of mitosis, the ploidy of the cell remains the same as it was at the beginning of the process. This means that the daughter cells produced from mitosis are genetically identical to the parent cell and have the same number of chromosomes.
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The ploidy level of a seed coat is typically diploid, meaning it contains two sets of chromosomes. This allows the seed coat to develop and protect the seed embryo inside during germination and growth.
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The ploidy level refers to the number of sets of chromosomes in a cell. It can be haploid (one set), diploid (two sets), triploid (three sets), tetraploid (four sets), and so on. Ploidy level plays a crucial role in genetic inheritance and diversity.
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c it will all depend upon the ploidy, example diploid will always have two
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The term ploidy indicates the number of complete sets of chromosomes in a cell. This can be haploid (one set of chromosomes), diploid (two sets), triploid (three sets), and so on. For example, humans are typically diploid, with two sets of 23 chromosomes each.
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The phase that results in a change of ploidy from diploid 2n to haploid n is meiosis. Meiosis is a type of cell division that occurs in sexually reproducing organisms, resulting in four daughter cells with half the number of chromosomes as the parent cell.
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The chromosomes would not have replicated, so the resulting daughter cells will not have the correct ploidy.
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Polyploidy, the condition of having more than two sets of chromosomes, can contribute to speciation in plants by creating reproductive barriers between different ploidy levels. This can lead to the formation of new species as individuals with different ploidy levels may not be able to successfully interbreed, resulting in the evolution of distinct plant populations.
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No, the ploidy of a cell does not change during mitosis. Mitosis is a type of cell division where a cell divides to produce two daughter cells with the same number of chromosomes as the parent cell. This ensures that the ploidy (number of sets of chromosomes) remains the same in the daughter cells.
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The ploidy of the gametes produced by a tetraploid individual with nondisjunction of all chromosomes during meiosis would be diploid. This is because, in nondisjunction, the chromosomes do not separate properly, leading to the formation of gametes with double the normal chromosome number.
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Milk is a combination of protein, fat and sugar...while there may be some cells in it from the animal that manufactured it...it really doesn't have true genetic component to it...
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The ploidy of ascocarps is typically diploid, meaning they have two sets of chromosomes. This is because ascocarps are reproductive structures formed during sexual reproduction in fungi, where haploid nuclei from two different mating types fuse to form a diploid zygote.
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The number of chromosomes in the nucleus before mitosis is dependent on the species. The exact number is called the ploidy of the animal.
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If the chromosome number of a plant is 16, then the ploidy level of the microspore mother cell would be 2n=16 (diploid) and the endosperm cells would typically be 3n=24 (triploid), as they result from the fusion of a haploid sperm cell and a diploid central cell in double fertilization.
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ploidy level. As it has four different kinds of chromosomes, it would be considered tetraploid, meaning each chromosome is present four times. The total number of chromosomes (eight) in the cell would indicate its ploidy level.
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During meiosis I, the DNA content is halved as homologous chromosomes separate, leading to haploid daughter cells. In meiosis II, sister chromatids separate without DNA replication, resulting in four haploid daughter cells with the same DNA content as the parent cell before starting meiosis.
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Human cells are typically diploid, meaning they have two sets of chromosomes - one set inherited from each parent. However, gametes (sperm and egg cells) are haploid, containing only one set of chromosomes.
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A karyotype is basically a chart of the number and structure of chromosomes. They can reveal ploidy differences (missing or additional chromosomes such as trisomy 21) or chromosomal mutations (like inversions, deletions, translocations etc)
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Organisms that have two sets of chromosomes are said to be diploid, meaning they have two complete sets of chromosomes (one from each parent). This is the typical chromosome number for most animals and plants.
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No, not all animals are diploid. Some animals, like nematode worms and some insects, can have variations in their ploidy levels. For example, some species of insects exhibit haplodiploidy, where males are haploid and females are diploid.
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The cells of the tetrad in a pollen plant are haploid, meaning they contain a single set of chromosomes. This haploid condition is important for sexual reproduction, as it ensures the resulting gametes have the correct number of chromosomes when they combine during fertilization.
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Chimpanzees, bonobos, and gorillas all have a haploid number of 24 chromosomes, which is one less than the 23 pairs found in humans.
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The nucellus is typically diploid (2n), the MMC (megaspore mother cell) is usually diploid (2n), the functional megaspore is haploid (n), and the female gametophyte is also haploid (n).
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The end products of meiosis are haploid, meaning they contain half the number of chromosomes as the original cell. This is achieved through two rounds of cell division, resulting in four daughter cells that are genetically distinct from each other.
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Humans, specifically are diploid, meaning that we have 2 sets of every gene. (Read about ploidy on Wikipedia, here http://en.wikipedia.org/wiki/Ploidy)
This means that our sex cells (sperm and egg) receive only 1 set of our genes, which is pretty randomly determined (let's be general here) through a process called meiosis (http://en.wikipedia.org/wiki/Meiosis -- also take into consideration chromosomal crossover). That means each of our sex cells only has 1 pair of genes (haploid cells), and they combine to form a diploid zygote at fertilization, which has a 50-50 input of genes from the mom and dad. However, due to dominance/recessive/codominance, etc. and the wonderful way our genes work, you may have totally different characteristics (phenotype) from your mom or dad!
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diploid is a term which is used to describe a cell which contains two complete sets of chromosomes.Most mammals including humans,have primary diploid cells.The umbrella term "ploidy" is used to refer generically to the number of sets of chromosomes in a cell and animals can exhibit awide variety of forms ploidy.A haploid cell for instance , has only one set of chromosomes, while a fetraploid cell has four.
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According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern --OIDY. That is, six letter words with 3rd letter O and 4th letter I and 5th letter D and 6th letter Y. In alphabetical order, they are:
ploidy
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A karyotype provides information about the number, size, and shape of an individual's chromosomes. It can reveal abnormalities such as missing or extra chromosomes, translocations, deletions, and other genetic disorders. Karyotyping is commonly used in genetic testing and to diagnose chromosomal abnormalities.
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Organisms that reproduce asexually make exact copies of themselves. So, they are "clones" of their parents. Of course, some differences may appear because of mutations (changes in the DNA due to errors during replication), though.
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According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 4 words with the pattern -LO-DY. That is, six letter words with 2nd letter L and 3rd letter O and 5th letter D and 6th letter Y. In alphabetical order, they are:
bloody
cloddy
cloudy
ploidy
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From Wikipedia: "Asexual reproduction is a mode of reproduction by which offspring arise from a single parent, and inherit the genes of that parent only, it is reproduction which does not involve meiosis, ploidy reduction, or fertilization."
It essentially means that one organism can "split" into two offspring. Bacteria are a classic case of asexual reproduction. In their case, the actual process of asexual reproduction is known as Binary Fission.
Although Wikipedia is not the best source for academia, the article below
(Sources and related links) gives a great overview of asexual reproduction.
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