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How is forming tetrads in prophase 1 different from mitosis?
Tetrads don't form in mitosis. Tetrads form so that chromosomes can undergo crossing over which is a form of genetic recombination. The products of meiosis are gametes which ensure genetic diversity in subsequent generations. In mitosis, the daughter cells are genetically identical to the parent cell. No genetic recombination occurs in mitosis.
What two things happen during meiosis?
chromosomes split and the cell divides The above mentioned two things happen in mitosis also, so the correct answer would be - 1. Exchange of chromatin material by crossing over and 2. Reduction in the number of chromosomes to half.
Meiosis 1 is the same as what other reproduction process?
Meiosis I is similar to mitosis, as both processes involve the separation of homologous chromosomes. In meiosis I, the genetic material undergoes recombination and crossing over, leading to genetic diversity, which does not occur in mitosis.
What phase does meiosis crossing over occur?
prophase 1.
Are sister chromatids identical before crossing over occurs?
Yes they are attached at the centromere and remain identicle until crossing over occurs in prophase 1 of meosis
What happens during prophase you that does not happen during mitosis?
During prophase in meiosis, homologous chromosomes pair up and undergo crossing over, exchanging genetic material. This process does not occur during mitosis, where individual chromosomes line up and separate without crossing over.
Why does crossing-over not occur in mitosis?
well from what i understand mitosis is just the replication of a cell, a cell divides into two cells and it is not being effected by any other cell so crossing over cant occur Crossing over occurs in meiosis to create diversity in the genetic material so the offspring is neither identical to father or mother. in mitosis it does not occur because the parent cell is making an identical copy of itself, so the DNA does not need to vary.
How is forming tetrads in prophase 1 different from mitosis?
Tetrads don't form in mitosis. Tetrads form so that chromosomes can undergo crossing over which is a form of genetic recombination. The products of meiosis are gametes which ensure genetic diversity in subsequent generations. In mitosis, the daughter cells are genetically identical to the parent cell. No genetic recombination occurs in mitosis.
What happens to homologous chromosomes during prophase 1 of meiosis which does not occur during prophase of mitosis?
During prophase I of meiosis, homologous chromosomes pair up and undergo crossing over, where segments of DNA are exchanged between them. This does not occur during prophase of mitosis, where homologous chromosomes do not pair up or undergo crossing over.
What two things happen during meiosis?
chromosomes split and the cell divides The above mentioned two things happen in mitosis also, so the correct answer would be - 1. Exchange of chromatin material by crossing over and 2. Reduction in the number of chromosomes to half.
Meiosis 1 is the same as what other reproduction process?
Meiosis I is similar to mitosis, as both processes involve the separation of homologous chromosomes. In meiosis I, the genetic material undergoes recombination and crossing over, leading to genetic diversity, which does not occur in mitosis.
How does metaphase 1 differ from metaphase of mitosis?
In metaphase I of meiosis, homologous chromosomes align at the cell's equator in pairs, while in metaphase of mitosis individual chromosomes align. Additionally, in meiosis I, genetic recombination and crossing over can occur between homologous chromosomes, increasing genetic diversity.
How many homologous chromosomes interact with each other or dont during mitosis and meiosis?
In mitosis, the homologous chromosomes dont interact, but in meosis, they separate during Anaphase 1. In mitosis, the homologous chromosomes dont interact, but in meosis, they separate during Anaphase 1.
What are the release dates for Birnkrant 616 - 2006 Crossing Over Part 1 1-2?
Birnkrant 616 - 2006 Crossing Over Part 1 1-2 was released on: USA: January 2006
Does crossing over occur during prophase 2 of meiosis?
No, crossing over occurs during prophase 1 of meiosis, not prophase 2.
What results from th eprocess of crossing-over during prophase 1?
During the crossing-over of pro phase 1, chromosomes of a homologous pair break and exchange genes.
What phase does meiosis crossing over occur?
prophase 1.
