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Occurs during prophase I of meiosis (pachytene) in a process called synapsis. Crossover usually occurs when matching regions on matchingchromosomes break and then reconnect to the other chromosome.
The value of crossing over is that each parent has a different daughter cell.
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∙ 12y ago
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∙ 14y agocrossing over takes place because to exchange the genetic material and genetic exchange takes place to maintain the integrity of the organism which matches to maternal and paternal characteristics.
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∙ 11y agoCrossing over is the exchange of DNA between two homologous chromosomes during meiosis. It creates new combinations of genes and, therefore, increases genetic variety.
Added:
Prophase I of meiosis.
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∙ 11y agoCrossing over results in the genetic recombination of the DNA. It occurs when homologous pairs of chromosomes trade pieces with one another. This results in each chromosome containing DNA from each parent, which means that each chromosome is genetically unique.
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∙ 13y agoit is when you cross over , when you die . ;)
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∙ 10y agoit happens is meosis divison: crossing over takes place in chromosomes
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Is crossing over takes place in sperms before fertilization?
Crossing over occurs during fertilization. This is the mixing of alleles from each of the parents in order to make the offspring.
During meiosis crossing-over gene exchange between chromosomes may occur Crossing-over usually results in?
The result of crossing over is genetic diversity. More specifically, it is a hybrid chromosome with a unique pattern of genetic material. Does this answer help?
How does crossing over change the genetic material of chromatids?
During crossing-over, the genetic material from homologous chromosomes is swapped. This leads to a recombination of the genes. Simple example: Originally - ABCD alleles on one and abcd on the other. After crossing over - ABCd and abcD This creates offspring with non-parental phenotypes (traits), which are known as recombinants.
What is the distance unit between genes?
COV crossing over value
What is meant by reshuffling of genetic material?
crossing over or swaping genetic material
When does crossing over occur im meiosis?
it takes place in the metaphase
Which phase of meiosis occurs right after crossing over?
Before crossing over, interphase I takes place. Crossing over occurs during prophase I. Metaphase I occurs after prophase I.
Which phase of meiosis occurs right after crossing over takes place.?
Metaphase 1
Is crossing over takes place in sperms before fertilization?
Crossing over occurs during fertilization. This is the mixing of alleles from each of the parents in order to make the offspring.
What is the exchange of a corresponding segment between homologous chromosomes?
It would appear you are speaking of crossing over which takes place in Prophase I of meiosis.
How is the process of crossing over and independent assortment alike?
The crossing over is the process of exchange of DNA between homologous chromosomes whereas the independent assortment is the process in which the chromosome pairs align themeselves at the equator of the cell . Crossing over takes place in Prophase I of meiosis I whereas the independent assortment takes place in metaphase I of meiosis I.
What phrase is used to describe the chromatids after crossing over takes place and the homologous chromosomes separate?
Gghjh
What phrase is used to describe the chromatids after the crossing over takes place and the homologous chromosomes separate?
Gghjh
Where does the crossing over during Snyapsis take place?
it takes place between homologous chromosomes and results in new gene combinations
What is the exchange of corresponding segments of DNA called?
It would appear you are speaking of crossing over which takes place in Prophase I of meiosis.
What is meant to be segregation when sex cells are produces?
Freedom of genetic characters to move independently from parents to the gametes by the process of crossing over which takes place during meiosis.
What happens to each pair of duplicated homologous chromosomes during meiosis 1?
pairing of homologous chromosomes and recombination of genetic material takes place
